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阀门气动装置技术条件
Specification of pneumatic actuator for valves
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阀门电动装置 寿命试验规程
Electric actuatior -- Lifetime test procedure
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液化石油气设备用紧急切断阀 技术条件
Emergency shutoff valve for LPG equipment -- Technical specification
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蒸汽疏水阀 技术条件
Automatic steam traps -- Technical specification
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阀门的检验与试验
Valve inspection and testing
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通用阀门 供货要求
General purpose industrial valves --Delivery specification
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工业过程测量和控制系统用电动执行机构
Electrical actuators for industrial-process measurement and control systems
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PN 250 MPa锥面垫、锥面盲垫型式、尺寸和技术条件
Type, dimensions and specifications of PN 250 Mpa gaskets and conical face blind gasket
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PN 250 MPa凹穴接头型式、尺寸和技术条件
Type, dimensions and specifications of PN 250 Mpa socket joints
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