Standard test method for solubility of fixed gases in liquids 液体中固定气体可溶性的标准试验方法
The fixed gas detection system with automatic self test 具有自我自动校正功能的固定式气体侦测系统
Standard test method for solubility of fixed gases in low - boiling liquids 低沸点液体中固定气体溶解度的试验方法
05 . 02 solubility of fixed gases in low - boiling liquids , method of test for 低沸点液体中固定气体可溶性的试验方法
Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - requirements on the functional safety of fixed gas detection systems 易燃或有毒气体或蒸气或氧气的探测和测量用电气设备.混合气体探测系统的功能安全要求
Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - requirements on the functional safety of fixed gas detection systems ; german version en 50402 : 2005 易燃或有毒气体或蒸气或氧气的探测和测量用电气设备