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Royal Commission on Patents, Copyrights, Trade Marks and Industrial Designs

Thurman Wesley ArnoldRegina Leader-PostWalton Hale HamiltonIan Malcolm MacKeiganSaskatoon StarphoenixCanada. Royal Commission on Patents, Copyright, Trade Marks and Industrial Designs

出版	[[publisher not identified], 1955
URL	http://books.google.com.hk/books?id=3egFYAAACAAJ&hl=&source=gbs_api