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English Patents; Being a Register of All Those Granted for Inventory in the Arts, Manufactures, Chemistry, Agriculture, &c. In the Years 1844-45: ...
Andrew Pritchard
出版Whittaker and Company, 1846
URLhttp://books.google.com.hk/books?id=NNEyOcDpNusC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN