73100345
Sep 20, 1976
Dec 11, 1979
EXTRUDED ALUMINUM PARTS FOR INDUSTRIAL AND CONSTRUCTION APPLICATIONS-NAMELY, BARS, ANGLES, CHANNELS, ROUND ROD, HEXAGONAL BAR, TEES, ROUND TUBE, ZEES, H SECTIONS, SQUARE AND RECTANGULAR TUBES AND OTHER SHAPES
Metal GoodsELECTRONIC PROCESS CONTROL INSTRUMENTS FOR MEASURING, INDICATING AND CONTROLLING TEMPERATURE, PRESSURE AND FLOW RATES; SEPARATELY SOLD DIAPHRAGM FLOW MEASURING INSTRUMENTS; AUTOMATIC GLOBE-CONTROL VALVES; AND NAVIGATIONAL EQUIPMENT-NAMELY, SATELLITE NAVIGATION SYSTEMS AND DOPPLER SONAR SPEED LOGS, DOCKING SYSTEMS, DEPTH SOUNDERS AND NAVIGATION AIDS
Electrical and Scientific ApparatusHEAT EXCHANGERS FOR HEAT TRANSFER APPLICATIONS-NAMELY, CONDENSING AND EVAPORATING LIQUID-LIQUID, GAS-GAS AND GAS-LIQUID COMBINATIONS
Environmental Control Apparatus