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PLASTIC ARTICLES USED IN LABORATORIES AND IN INDUSTRIAL MANUFACTURING PLANTS NAMELY, CARRIERS FOR SEMICONDUCTOR WAFERS AND SUBSTRATES AND HANDLES THEREFOR, STORAGE BOXES AND COVERS FOR SEMICONDUCTOR WAFERS AND SUBSTRATES, SHIPPING CONTAINERS AND HANDLING TRAYS FOR SEMICONDUCTOR WAFERS AND PHOTOPLATES; SEMICONDUCTOR WAFER, CHIP AND PHOTOPLATE MATERIALS NAMELY, CLIP-ON IDENTIFICATION TAGS AND IDENTIFICATION DISCS FOR TRAYS, CARRIER HOLDING TRAYS, PHOTOPLATE CARRIERS, ADJUSTABLE CARRIERS, AND TRAYS; LABORATORY EQUIPMENT NAMELY, GRADUATE MEASURING CONTAINERS, BEAKERS, LIQUID STORING PANS, VACUUM PROBES, GAUGE PROTECTORS AND SOLENOID VALVES

PLASTIC TUBES AND PIPES, PLASTIC CONNECTORS AND FITTINGS FOR TUBES AND PIPES NAMELY, UNIONS, REDUCERS, MALE CONNECTORS, TEES, ELBOWS, PANEL MOUNTS, CAPS, PLUGS, NIPPLES, FERRULE NUTS AND PLUGS, BARB FITTINGS, AND TUBE TO PIPE ADAPTERS, AND TUBE TO BARREL CONNECTORS, ALL FOR GENERAL INDUSTRIAL USE

PLASTIC SPRAY NOZZLES AND PLASTIC FASTENERS NAMELY, SCREWS, NUTS, AND BOLTS; AND MANUALLY OPERATED PLASTIC VALVES, PLASTIC BARRELS FOR STORING CHEMICALS, PLASTIC LINERS FOR BARRELS FOR STORING CHEMICALS, PLASTIC SPRING OPERATED CHECK VALVES, AND PLASTIC PNEUMATICALLY OPERATED VALVES