Manual of classification.

出版社:Wash. : Govt. Print. Off., [n.d.]
作者:United States Dept. of Commerce.
资源类型:图书
细分类型:馆内阅览
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Classification.

  • 作者:Library of Congress.
  • 出版社:Wash. : Govt. Print. Off., 19 -,Wash. : Govt. Print. Off., 1947-,Washington : United States Government Printing Office, 1922.
  • 出版年:1922

Outline of plant classification.

  • 作者:Holmes,Sandra.
  • ISBN:0582446503
  • 出版社:London : Longman, 1986.
  • 出版年:1986

International patent classification.

  • 作者:World Intellectual Property Organization.
  • 出版社:[Geneva, Switzerland] : World Intellectual Property Organization ; München : C. Heymanns Verlag, 19
  • 出版年:1979

International patent classification.

  • 作者:World Intellectual Property Organization.
  • ISBN:Y3.30
  • 出版社:[Geneva, Switzerland] : World Intellectual Property Organization ; München : C. Heymanns Verlag, 19
  • 出版年:1979

Index to classification.

  • 作者:United States Department of Commerce.
  • 出版社:Wash. : Govt. Print. Off., 1960.,Wash. : U.S. Govt. Print. Off., 1963.
  • 出版年:1963

Universal decimal classification.

  • 出版社:London : British Standards Institution, 19 -,London : British Standards Institution, 1958.
  • 出版年:1958