Seamless copper and copper alloys tube for valves on air-conditioning and refrigeration system
MOD EN 12735-2001
全国有色金属标准化技术委员会
本标准规定了空调与制冷系统阀件用铜及铜合金无缝管材（以下简称“管材”）的要求、试验方法、检验规则及包装、标志、运输、贮存、质量证明书和合同（或订货单）内容。
本标准适用于空调与制冷系统阀件（如四通换向阀、截止阀、电磁阀、单向阀等）用铜及铜合金无缝管。
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