膜式燃气表膜片
Diaphragm for diaphragm gas meters

2018-06-20

Gas meters. Diaphragm gas meters
煤气表 隔膜式煤气表

2017-08-03

GAS METERS. DIAPHRAGM GAS METERS
煤气表 隔膜式煤气表

1999-11-29

膜式燃气表
Diaphragm Gas Meters

2012-09-03

膜式燃气表
Diaphragm gas meters

2019-05-10

远传膜式燃气表
Remote diaphragm gas meter

2016-10-22

切断型膜式燃气表
Diaphragm gas meter with shut-off valve

2014-03-27

IC卡膜式燃气表
Integrated circuit card diaphragm gas meter

2008-09-22

IC卡膜式燃气表检定规程
Verification Regulation of IC Card Diaphragm Gas Meters

2005-04-01

膜式燃气表型式评价大纲
Test Program for Pattern Evaluation of Diaphragm Gas Meters

2012-09-03

Gaseous fuels. Sizes, connections and superficial finishes of the diaphragm volume gas meters.
气体燃料 隔膜容积式燃气表的尺寸、连接和表面处理

2004-06-18

Государственная система обеспечения единства измерений. Cчётчики газа объемные диафрагменные. Общие технические требования, методы испытаний и поверки
确保测量一致性的状态系统 隔膜体积气量计 一般技术要求 测试和校准方法

Gas meters-Plate constructed positive displacement diaphragm meters for a pressure of 350 mbar (5 lbf/in²) and up to 170 cubic meters (6000 cubic feet) per hour rating
煤气表 压力为350 mbar（5 lbf/in^2）和最高170立方米（6000立方英尺）每小时额定值的板式正位移隔膜流量计

1970-03-31