[Class : 1] Carbon; Activated Carbon; Activated Carbons; Absorbing Carbons; Carbonic Hydrates; Strontium Carbonates; Carbonic Acid Gas; Carbon Black For Industrial Use; Activated Carbon Used For Aquarium Filtration; Carbon Black For Use In Industrial Applications; Carbonaceous Absorbents For The Purification Of Gases; Carbonaceous Absorbents For The Purification Of Liquids; Magnesium Carbonate For Use In Water Treatment; Hydraulic Fluids Containing Four Or More Carbon Atoms; Carbons (Activated ); Adsorbents Consisting Of Activated Carbon; Magnesium Carbonate For Use In Manufacture; Powdered Carbon For Use In The Manufacture Of Secondary Cell Batteries.