72275114
Jun 30, 1967
Oct 28, 1969
CERAMIC PARTS, METALLIZED OR NONMETALLIZED, IN ELECTRICAL PRODUCTS-NAMELY, INSULATORS, HOUSINGS OF MERCURY VAPOR AND SILICON RECTIFIERS, AND THYRISTORS, IN ELECTRICAL DEVICES, NAMELY, ENVELOPES, WINDOWS, CATHODE SUPPORTS OF TRANSMITTER TUBES, CLYSTRONS, MAGNETRONS, TRAVELLING WAVE TUBES, COMPONENTS FOR HIGH DUTY TUBES, MICROWAVE WINDOWS, SUBSTRATES FOR MICROMODULES
Housewares and GlassCERAMIC PARTS, METALLIZED OR NONMETALLIZED, FOR METAL WIRE DRAWING AND CABLING MACHINES, FOR METAL WORKING MACHINES, FOR PAPER MACHINES, FOR PUMPS, FOR WEAR PARTS ON MILLS AND SEPARATORS-NAMELY, BEARINGS, LININGS, GRINDING PLATES AND SURFACES, GRINDING BALLS, PULVERIZER HAMMER OR IMPACT MEMBERS, ROTOR SHAFTS, CYLINDERS, PISTONS, VALVE SEATS, AND OTHER WEAR PARTS ON ACID PUMPS, FOR TEXTILE MACHINES, THREAD GUIDES AND CUTTING TOOL INSERTS MADE OF CERAMIC
Yarns and ThreadsCERAMIC PARTS, METALLIZED OR NONMETALLIZED, FOR ABRASIVE-RESISTANT MECHANICAL SEALS IN CONSTRUCTIVE AND CHEMICAL EQUIPMENT AND IN OTHER MACHINERY
Advertising and Business