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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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