Yves Jongen

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Ohain, BE

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Patents Grantslast 30 patents

Information Patent Grant
method of producing perforations in a solid material in sheet form,...
- Patent number 4,956,219
- Issue date Sep 11, 1990
- Universite Catholique de Louvain
- Roger Legras
- B26 - HAND CUTTING TOOLS CUTTING SEVERING