Structural parts for chromatography apparatus for scientific and laboratory use, namely, column heaters and coolers, degassers, gas generators and parts therefor, and gas regulators and parts therefor; gas purification supplies for scientific and laboratory use, namely, moisture and gas filters and traps for use in gas chromatography machines and filter base plates; chromatography apparatus for scientific or laboratory use in the nature of sample preparation products, namely, air canister hu...

Accessories for chromatography apparatus for scientific and laboratory use, namely, column heaters [ and coolers, ] degassers, gas generators and parts therefor, and gas regulators and parts therefor; gas purification supplies for scientific and laboratory use, namely, moisture and gas filters and traps for use in gas chromatography machines and filter base plates; and sample preparation products for scientific and laboratory use, namely, air canister humidifiers, [ cleaners, ] and parts ther...

components of a chromatography apparatus; namely, capillary chromatography columns, compressed gases, refill cartridges, inlet sleeves, porous layer open tubular columns, particle traps, inlet splitter guides, syringes, tool kits for installing and maintaining capillary columns, and deactivated injection port sleeves

COMPANY LITERATURE (CATALOGS, BROCHURES, FLYERS), COMPANY DISPLAYS, SHIPPING CARTONS THAT GOODS ARE SHIPPED IN, MAILING ENVELOPES, AND SOME ACCESSORIES

COMPANY LITERATURE, ENVELOPES, AND LETTER-HEAD, AND IS USED TO IDENTIFY OUR GOODS AND DISTINGUISH THEM FROM THOSE MANUFACTURED OR SOLD BY OTHERS