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4 results for ""Perfect Circle Piston Ring"".

Title ▲	Year	Creator	Holdings
A Ring That's Right For Every Engine Shows the step-by-step manufacture of Perfect Circle piston rings with particular focus on chromatic…		School Assistance Program
A RING THAT'S RIGHT FOR EVERY ENGINE ▶	1970s		Periscope Film
Perfect Circle Piston Rings ▶	1932	Perfect Circle Piston Ring	16mmTimeMachine
THE HOTTEST 500 ▶	1954	Perfect Circle Corporation	Periscope Film

Found in catalogs (1)

Business Screen 1957 — page 132
…The Story of Perfect Circle Piston Rings (Perfect Circle Co.); 19.56 Di-itrict Fall Staff Meeting ( B. F. Goodrich Company). SLIDE- FILMS: The…