Didier Marchand

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Saint-Germain-en-Laye, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process and gaseous mixture for arc welding of aluminium components
- Patent number 5,667,702
- Issue date Sep 16, 1997
- L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
- Richard Soula
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process and gaseous mixture for arc welding of aluminium components
- Patent number 5,667,703
- Issue date Sep 16, 1997
- L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
- Richard Soula
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR