Pulleys being parts of machines; Metal pulleys being parts of machines; Machine parts, namely, bearings and bushings; Bushings for use as parts of machines; Couplings for machines; Shaft couplings for machines; Shaft couplings as parts of machines; Machine parts, namely, flexible shaft couplings; Machine couplings and transmissions, except for land vehicles; Machine couplings and transmission components except for land vehicles; Shaft couplings, not for land vehicles; Machine coupling and bel...

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