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title   Index to the U.S. patent classification. 
published   [Washington, D.C.] : U.S. Dept. of Commerce, Patent and Trademark Office : [Supt. of Docs., U.S. G.P.O., distributor,
description   v. ; 28 cm.
all locations   Availability
location   UB Law LibraryLibrary Info Intellectual Property Holdings  Availability
other title   Title varies: Index to the U.S. patent classification system <1991->
  Index to classification Dec. 1977-
  Index, U.S. patent classification system <1999->
other title   Index to the United States patent classification
notes   Description based on: 1980.
notes   Vols. for <1993-> issued by: U.S. Dept. of Commerce, U.S. Patent and Trademark Office, Assistant Secretary and Commissioner of Patents and Trademarks, Office of Classification Support.
notes   Companion to: United States. Patent and Trademark Office. Manual of classification.
local note   C 21.12/2:
continues   LinkUnited States. Patent Office. Index to classification
subjects   LinkUnited States. Patent and Trademark Office. Office of Documentation Planning and Support. Manual of classification -- Indexes -- Periodicals.
  LinkPatents -- United States -- Classification -- Indexes -- Periodicals.
other author   LinkUnited States. Patent and Trademark Office.
  LinkUnited States. Patent and Trademark Office. Office of Classification Support.
format   Journals/Newspapers/Magazines
ISSN   0161-9470
GPO item number   0257

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