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液压泵及马达公称排量系列
Hydraulic fluid power--Pumps and motors--Geometric displacements
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液压气动系统及元件 活塞杆螺纹型式和尺寸系列
Fluid power systems and components. Cylinders. Piston rod thread dimensions and types
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液压滤芯额定轴向载荷检验方法
Hydraulic fluid power.Filter elements.Method for end load test
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液压滤芯材料与液体相容性检验方法
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煤矿井下用空气压缩机
Air compressors in underground coal mines
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泵产品零件无损检测 泵受压铸钢件射线检测
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