73179900
Jul 27, 1978
Oct 20, 1981
Electric Sorting Machines for Bulk Sorting of Various Materials in the Foods, Pharmaceutical, Agricultural and Mineral Industries; Oil Field Drilling and Production Machinery; Mud Pumps and Apparatus for Separating Liquids and Solids for Oil Field Drilling and Production Operations; Turbine Generator and Compressor Modules for Offshore Production Platforms; Packaged Engine Units for Petroleum Drilling, Production and Marine Operations; Valves Being Parts of Machines for Use in the Oil Industry; Heat Exchangers Being Parts of Machines, for Use in the Refining, Chemical and Petrochemical Industries
MachineryElectronic Drilling Control Indicators, Recorders and Display Units; Drilling Fluid Conditioning and Monitoring Units
Electrical and Scientific Apparatus