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Gazette Du Bureau Des Brevets
Canada. Patent Office
出版
Consumer and Corporate Affairs, [Patent Office]
, 1972
URL
http://books.google.com.hk/books?id=np8uSCflqQcC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Includes annual cumulative index of inventors and patentees.