73400794
Oct 14, 1982
May 20, 1986
NIPPON PISTON RING CO. LTD.
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MACHINE ENGINE PARTS, NAMELY, PISTON RINGS; CYLINDER LINERS AND SLEEVES; VALVE GUIDES AND SEATS; CAM SHAFTS; TAPPETS; ROCKER ARMS; MECHANICAL SEALS; AND AIR PUMPS.