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Patrice Barthelmes
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Montigny-le-Bretonneux, FR
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last 30 patents
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Cooling process for a continuously extruded product
Patent number
4,931,232
Issue date
Jun 5, 1990
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Andre Lermuzeaux
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL