Methods for sampling chemical products - sampling of gases 化学品取样方法.第2部分:燃气取样
Stationary source emissions - manual method of determination of hci - sampling of gases 固定源发射. hci的人工测定法.气体抽样
Analysis of gases . devices for the sampling of gases and their transfer to an analytical unit 气体分析.气体取样及输送至分析设备用装置
Air quality . stationary source emissions . manual method of determination of hci . part 1 : sampling of gases 空气质量.稳定源辐射. hci的人工测定方法.第1部分:气体取样
Stationary source emissions - manual method of determination of hcl - part 1 : sampling of gases ; german version en 1911 - 1 : 1998 固定源放射. hcl的手动法测定.第1部分:气体的取样