HYBRID FACE

Iron and steel; nonferrous metals and their alloys; mechanical seals of metal; segmented seals of metal for use in manufacturing seals; gas seals of metal for industrial or commercial use

Machine elements, not for land vehicles, namely, mechanical seals for manufacturing and machinery; AC generators as alternators; DC generators

Laboratory apparatus and instruments; measuring or testing machines and instruments; observation rockets

Mechanical seals, not of metal, for industrial or commercial use; gas seals, not of metal, for industrial or commercial use; segmented seals, not of metal, for industrial or commercial use; ceramic fibers for industrial or commercial use; plastic semi-worked products, namely, semi-processed resin materials for sealing