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石油化工钢制通用阀门选用、检验及验收
Specification for selection , inspection and acceptance of steel valves used in petrochemical industry
价格：￥0.00
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阀门.型号编制方法
Valves model designation method
价格：￥0.00
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出口阀门检验规程
Rules for the inspection of valves for export
价格：￥0.00
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阀门的标志和涂漆
Valves marking and paint
价格：￥0.00
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温度压力安全保护阀
Temperature/pressure protection values
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水力控制阀
Hydraulic control valve
价格：￥15.00
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阀门的检查与安装规范
Specification for test and installation of valve
价格：￥0.00
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对夹式止回阀
Wafer type check valve
价格：￥0.00
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QFH型空气过滤减速压器
QFH type air regulators with filter
价格：￥0.00
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