NATIONAL

ADHESIVES IN THE FORM OF CEMENTS, LIQUID GLUES, FLEXIBLE GLUES, PASTES, AND MUCILAGE (BUT NOT INCLUDING PASTES AND CEMENTS FOR USE WITH OR BETWEEN CARBON AND GRAPHITE AND BETWEEN CARBON OR GRAPHITE AND OTHER SUBSTANCES FOR USE IN GAS LINES, FURNACES, THERMIC APPLICATIONS, ELECTROLYTIC APPARATUS, AND CONSTRUCTION WORK IN THE CHEMICAL AND METALLURGICAL INDUSTRIES, AND PASTES AND CEMENTS FOR USE IN MAKING MOLDS, TEMPORARY WALLS, AND PROTECTIVE LAYERS IN WELDING OPERATIONS)