Home / Standards / GB/T 29461-2012 GB/T 29461-2012 Active Ultrasonic testing for electrofusion joint of polyethylene pipe 聚乙烯管道电熔接头超声检测 Standard Type GBT ICS 25.160.40 CCS J33 Status 现行 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委