Lucien Guillemin

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Bagneaux sur Loing, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of repairing or protecting an end of a metal tube in a heat...
- Patent number 4,960,650
- Issue date Oct 2, 1990
- Societe Anonyme
- Gilbert Vigneron
- F28 - HEAT EXCHANGE IN GENERAL