Charlesbourg, CA
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Patent Grant
Her Majesty the Queen in right of Canada, as represented by the Minister of N...
Jacques Ratte
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Patent Grant
Her Majesty the Queen in right of Canada, as represented by the Minister of N...
Jacques Ratte
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
