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阀门密封面等离子弧堆焊技术要求
Technical requirements for plasma arc overlaying welding for valve sealing surface
价格：￥0.00
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阀门密封面等离子弧堆焊用合金粉末
Alloy powder used plasma arc overlaying welding for valve sealing surface
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阀门用短牙梯形螺纹
Stub trapezoidal screw threads for valve
价格：￥0.00
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阀门低温试验装置规范
Specification for valve cryogenic test rig
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工业阀门 供货要求
Industrial valves -- Delivery specification
价格：￥0.00
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阀门锻钢件超声波检测
Methods for ultrasonic examination of steel forgings for valves
价格：￥0.00
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阀门液体渗透检测
Methods for liquid penetrant examination of valves
价格：￥0.00
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阀门受压铸钢件射线照相检测
Methods of radiographic examination for steel castings valves
价格：￥0.00
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阀门受压件磁粉探伤检验
Methods of magnetic examination for valves
价格：￥0.00
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安全阀维修人员考核大纲
Examination Requirements for Safety Valve Maintenance Personnel
价格：￥8.00
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