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Stephane H. Wilmotte
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Liege, BE
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Patent Grant
Apparatus for improving the quality of steel sections
Patent number
4,161,800
Issue date
Jul 24, 1979
Centre de Recherches Metallurgiques-Centrum voor Research in de Metallurgie
Mario Economopoulos
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...