Home / Standards / GB/T 34407-2017 GB/T 34407-2017 Active Test method for the wall thickness of plastic pipes by ultrasonic 塑料管道壁厚超声波检测方法 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 国家标准委 Drafting Unit N/A