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General information concerning patents.
出版社：Washington : Dept. of Commerce, Patent and Trademark Office : for sale by the Supt. of Docs., U.S. G
ISBN：pbk.
出版年：1954
作者：United States Patent and Trademark Office
资源类型：图书
细分类型：西文文献
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General information concerning patents.
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  • 出版社：Washington : Dept. of Commerce, Patent and Trademark Office : for sale by the Supt. of Docs., U.S. G
  • 出版年：1954
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Handbook of patents.
  • 作者：Toulmin,Harry Aubrey,
  • 出版社：Cincinnati, W. H. Anderson Co. [1954]
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Classification of U.S. patents.
  • 作者：U.S. Department of Comerce. Patent Office.
  • 出版社：Wash. : [s.n.], 1960
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1946-48 bibliography of rubber literature : including patents.
  • 作者：American Chemical Society.
  • 出版社：Ohio : American Chemical Society, [1948].
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1942-43 bibliography of rubber literature : including patents.
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