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Willy Zimmermann
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Bitz, DE
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Patent Grant
Apparatus for shaping a lug on a stamped workpiece
Patent number
4,151,783
Issue date
May 1, 1979
Compagnie d'Informatique Militaire, Spatiale et Aeronautique
Willy Zimmermann
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...