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    专利与标准
    • 标准制定
    • 国际专利
    • 国家发明专利
    • 实用新型专利
    • 外观专利

    Stripping submersible pump for oil unloading-Invention
    卸油扫仓潜油泵-发明
    Invention Patent(Hydraulic system)
    发明专利(液压系统)
    Invention Patent(Electric system)
    发明专利(电气系统)
    Invention Patent(energy control valve)
    发明专利(能量控制阀)
    Chemical process intelligent pump and its control method
    化工流程智能泵及其控制方法
    A grooving device for pipeline pump body and cover
    一种管线泵泵体、泵盖切槽加工装置
    The feeding method of hollow casting
    空心铸件的补缩方法
    The using method of filters for big-scale casting pouring process
    过滤器在浇注大型铸件中的使用方法
    The bottom injected pouring system with Internal pouring gate of banding type section
    带状截面内浇道的底注式浇注系统
    The bottom injected pouring system with Internal pouring gate of annular type section
    环形截面内浇道的底注式浇注系统
    The yaw brake disc casting- one sand flask with several casting mould and cast solution
    刹车盘铸件一箱多件铸型及铸造方法
    Detachable type inline pump
    便拆式管道泵-实用
    Control mechanism for double seal valve
    双重密封阀操纵机构-实用
    Horizontally axially split multistage diffuser pump
    水平中开多级导叶式泵-实用
    Horizontally axially split multistage oil transmission pipeline pump
    水平中开多级输油管线泵-实用
    Flame-proof quick-change connection box
    隔爆型快换式接线箱
    Vapor recovery unit with pressurizing、condensation、spray
    加压、冷凝、喷淋相结合的油气回收装置-实用
    Inner relief device of double seal valve
    双重密封阀门内泄放装置-实用
    Bearing cavity seal structure for high rotation speed pump
    高转速泵轴承腔密封结构专利
    Skid-mounted oil sending unit
    撬装式发油装置
    A quick-connector for top oil sending
    一种上装发油的快速接头
    Handle type pressure relief device
    手柄式泄压装置
    A from top oil sending unit with vapor recovery unit
    一种上装发油及油气回收装置
    Friction resistance reducing structure for double seal valve
    双重密封阀门减少摩擦阻力的结构
    Sliding vane external type sliding vane pump
    滑片外置式滑片泵
    Bid-directional safety valve
    双向安全阀
    Vapor recovery unit
    油气回收装置
    Oil seal structure of oil pump bearing lubrication
    油泵轴承润滑油密封结构
    A disc processing device for double seal valve
    一种双重密封阀发瓣加工装置
    Loading and unloading submersible pump
    装卸两用潜油泵
    Chemical process intelligent pump
    化工流程智能泵
    Flame proof signal lamp
    隔爆型信号灯
    Axial Inlet device and its connection structure for horizontal multi-stage pump
    卧式多级泵轴向进口装置及其连接结构
    Axial force balancing structure for multi-stage axially split centrifugal pump
    多级中开式离心泵轴向力平衡结构
    Wear reducing sliding vane of sliding vane pump
    减缓磨损的滑片泵滑片
    Sectional type and variable screw cabinet rotor structure
    分段式变螺柜转子结构
    Roots vacuum pump
    罗茨真空泵实用新型专利证书
    Sliding vane against taking off structure
    滑片泵的滑片防脱出结构
    Tip gas structure of labyrinth impeller seal ring
    迷宫式叶轮密封环间隙结构
    Double cycloid rotor of dry vacuum screw pump
    干式螺杆真空泵双摆线转子
    Tip gas structure of labyrinth impeller seal ring
    迷宫式叶轮密封环间隙结构
    Vertical inline pump
    立式管道泵
    Large power high speed sliding bearing
    大功率高速滑动轴承
    A impeller seal ring processing device
    一种叶轮密封环加工装置
    Measuring tool for screw rotor
    螺杆转自测量工具
    Electric-hydraulic synchronous control mechanism
    电液同步控制机构
    Screw stripping pump
    螺杆扫仓泵
    Dynamic balance structure of single head screw rotor
    单头螺杆转子动平衡结构
    Flame proof electric fan
    隔爆型电风扇
    Stopper rod of corking pouring basin -Utility Patent Certificate
    拨塞浇口盆用塞杆-实用专利证书
    Internal fin of the completed parts runner & pouring system
    整片式披缝内浇口浇注系统
    Large split-case centrifugal pump with open type body moulding
    大型中开式离心泵泵体铸型
    The moulding of big flat surface casting with heavy thick wall
    厚壁大平面铸件的铸型
    The compound template for sand-moulding casting
    砂型铸造用复合模板
    The casting moulding with tools of collecting slag
    带有集渣包的铸型
    The polygon sand flask for casting application
    铸造用多边形砂箱
    One type of casted main shaft
    一种铸造主轴
    The pouring system with sluice pouring gate
    带有闸门横浇道的浇注系统
    The sand flask with window
    带窗口的砂箱
    The feeding system of equivalent width side pressing along with the form changes
    等宽随形压边冒口补缩系统


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