73201090
Jan 23, 1979
May 5, 1981
Gas and Oil Metering Systems Including Flowmeters, Meterprovers, and Associated Valves, Electronic Read-Out Equipment and Instrumentation, Complete Flow Metering Stations, Flowstraighteners, Strainers, Scraper Traps, and Steel Fabrication for the Petrochemical and General Engineering Industries
Electrical and Scientific Apparatus