Les Ormes, FR
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Patent Grant
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Raymond Batrol
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Application
Raymond Batrol
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
