This standard specifies the requirements,test methods,inspection rules,packaging,marking,transportation,storage,quality certificate and order list (or contract) of seamless copper and copper alloy tubes for air conditioner and refrigeration equipment.
This standard is applicable to seamless copper and copper alloy tubes (hereafter referred as tubes) for residential air conditioner,refrigerator (freezer),small and medium size central air conditioner and refrigeration equipment.
定价: 552元 / 折扣价: 470 元 加购物车
This standard specifies the terms and definitions, requirements, testing methods, inspection rules, marking, packaging, transportation, storage and certificate of quality and order list of the brass wires for unidirectional traveling wire electrical-discharge machining in numerically controlled machines.
This standard is applicable to round brass wires for unidirectional traveling wire electrical-discharge machining in numerically controlled machines (hereinafter referred to as wires).
定价: 312元 / 折扣价: 266 元 加购物车

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400-168-0010




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