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Erik Westman
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Vasteras, SW
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last 30 patents
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Patent Grant
Method of hydrostatic extrusion for holding a billet during inserti...
Patent number
4,078,408
Issue date
Mar 14, 1978
Asea Aktiebolag
Hans-Gunnar Larsson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Hydrostatic extrusion press
Patent number
4,064,723
Issue date
Dec 27, 1977
Allmanna Svenska Elektriska Aktiebolaget
Hans Gunnar Larsson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...