ICS91.140CCSP47中华人民共和国国家标准GB44016—2024电磁式燃气紧急切断阀Electro-magneticemergencyshut-offvalveforgas2024-04-29发布2024-08-01实施国家市场监督管理总局国家标准化管理委员会发GB44016—2024目次前言.....................................................................................................................................................................................Ⅲ1范围.................................................................................................................................................................................12规范性引用文件................................................................................