6
METAL STORAGE TANKS FOR STORING GASES AND LIQUEFIED GASES AS WELL AS METAL STORAGE TANKS FOR STORING GASES AND LIQUEFIED GASES FEATURING METALLIC SHUT-OFF VALVES, MANIFOLDS, PIPE CONNECTORS, AND PIPES USED IN CONVERTING LIQUEFIED GASES TO GASES
11
METAL GOODS, NAMELY, NOZZLES, MOUTH PIECES, LANCES, GAS INJECTORS, COCKS, ARMATURES, AND VALVES; ALL OF THE AFORESAID GOODS BEING OTHER THAN PARTS FOR MACHINES AND USED IN THE METALS PRODUCING AND METALS MANUFACTURING INDUSTRY FOR THE INJECTION OF GASES INTO HEAT TREATMENT FURNACES
42
SERVICES OF AN ENGINEER, NAMELY, TECHNICAL CONSULTING, PLANNING, DEVELOPMENT AND TESTING SERVICES FOR OTHERS IN CONNECTION WITH THE APPLICATION OF GASES IN THE METALS PRODUCING AND METALS MANUFACTURING INDUSTRY RELATING TO THE HEAT TREATMENT OF METALLIC PRODUCTS AND RAW MATERIALS
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