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- GB/T 20928-2007e 无缝内螺纹铜管
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适用范围:
This standard specifies the technical requirements, testing methods, inspection rules, packaging, marking, transportation and storage for seamless inner grooved copper tubes.
This standard is applicable to seamless inner grooved copper tube for air-conditioning and refrigeration.
This standard is applicable to seamless inner grooved copper tube for air-conditioning and refrigeration.
标准号:
GB/T 20928-2007e
标准名称:
无缝内螺纹铜管
英文名称:
Seamless inner grooved copper tube标准状态:
被代替-
发布日期:
2007-04-30 -
实施日期:
2007-11-01 出版语种:
英文
起草人:
LiChangjie,GuoZhaoxiang,FengHailiang,ZhangJinli,WeiBi,CaoJianguo,LiuAikui,WangXiangdong,YangCunli,WangHu,MaJunhuan起草单位:
Golden Dragon Precise Copper Tube Group Inc.,Gao Xin Zhang Tong Corporation and Zhejiang Hailiang Corporation归口单位:
China National Non-Ferrous Metals Standardization Technical Committee提出部门:
China Nonferrous Metals Industry Association发布部门:
General Administration of Quality Supervision,Inspection and Quarantine of the People's Republic of China and Standardization Administration of the People’s Republic of China
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