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Manually-operated metal valves, metal couplings for gas or liquid piping, metal pipe couplings for use in food processing, biotechnological and medical machines and apparatus, metal pipe couplings for use in atomic and aerospace industries, * but excluding check valves and vacuum breakers from all of the aforementioned goods *

Valves, being parts of machines, for use in gas or liquid piping; semiconductor-manufacturing machines; parts for semiconductor-manufacturing machines, namely, heaters, pipes, valves, * but excluding check valves and vacuum breakers from all of the aforementioned goods *