中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB 26255.2-2010
Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels - Part 2: Metal fittings for pipes of nominal outside diameter greaten than 63mm 燃气用聚乙烯管道系统的机械管件 第2部分:公称外径大于63mm的管材用钢塑转换管件
Issued Date:2011-01-14
Implemented Date:2011-06-01
Issued by:
The Standardization Administration of the People's Republic of China