Home / Standards / GB/T 25752-2010 GB/T 25752-2010 Active Differential pressure air leak tester 差压式气密检漏仪 Standard Type GBT ICS 23.160 CCS J78 Status 现行 Issue Date 2010-12-23 Implementation 2011-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会