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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
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.
  • 作者：United States Patent and Trademark Office
  • ISBN：pbk.
  • 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
...

Information Sources in Patents.
  • ISBN：9783110550061
  • 出版年：2022
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Handbook of patents.
  • 作者：Toulmin,Harry Aubrey,
  • 出版社：Cincinnati, W. H. Anderson Co. [1954]
  • 出版年：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
  • 出版年：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].
  • 出版年：1948
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1942-43 bibliography of rubber literature : including patents.
  • 作者：American Chemical Society.
  • 出版社：Ohio : American Chemical Society, [1943].
  • 出版年：1943