Catalog Record: Key to the classifications of the patent specifications of France, Germany, Austria, Netherlands, Norway, Denmark, Sweden, and Switzerland, in the library of the Patent office | HathiTrust Digital Library

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Key to the classifications of the patent specifications of France, Germany, Austria, Netherlands, Norway, Denmark, Sweden, and Switzerland, in the library of the Patent office.

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Corporate Author: Great Britain.
Language(s): English
Published: London, H. M. Stationery off., Darling & son, ltd. [printers] 1915.
Edition: 3d ed.
Subjects: Classification > Classification / Books > Classification / Books / Technology.
Patents > Patents / Europe.
Physical Description: 190 p. 17 cm.
Locate a Print Version: Find in a library

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