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miniature_ball_bearing

Miniature ball bearing

Heinrich Stamm, a development engineer of the watch manufacturer Eterna, succeeded in 1948 to develop for the first time a miniature ball-bearing, which is a largely wear-free storage of the weight segment of a self-winding drive.

miniature_ball_bearing.txt · Last modified: 03.07.2022 15:36 by 127.0.0.1

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