Engineering; Powder Metallurgy.

Duration: 1 reel

Year Published: 1945

Complete Record: ENGINEERING; powder metallurgy. Audio Productions, Inc., c1945. 1 reel each. © Audio Productions, Inc. 1. Principles and Uses. © 1Aug45; MP16462. 2. Manufacture of Porous Bronze Bearings. © 1Aug45; MP16465.

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