73107602
Nov 24, 1976
Feb 13, 1979
NON-AUTOMATIC PIPELINE VALVES-NAMELY, GATE VALVES, BALL VALVES, CONTROL VALVES AND CHECK VALVES
Metal GoodsCOMPRESSORS-NAMELY, RECIPROCATING COMPRESSORS, CENTRIFUGAL COMPRESSORS, SCREW COMPRESSORS AND GAS ENGINE COMPRESSORS
MachineryAUROMATIC PIPELINE VALVES-NAMELY, GATE VALVES, BALL VALVES, CONTROL VALVES AND CHECK VALVES
Electrical and Scientific Apparatus