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DWPI Classification Revised October 2006 Free Free Free

ISBN: 978 1 905935 04 8

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Title Terms

Revised February 2000

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ISBN: 0 901157 23 6

Derwent Title Terms are used to simplify word searching of Derwent titles, and optimise the thoroughness of such searches. All given derivatives of a Title Term are collected under a MAIN TERM and listed in this user guide.

Download a PDF copy here (1.2 MB)

 

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Patentee Codes

Edition 8: Revised September 2000

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ISBN 0 901157 38 4

This User Guide contains an alphabetical listing of the 21,000 companies assigned Derwent standard codes, in both company name order and code order.

Download a PDF copy here (2.1 MB)

Latest New Standard Companies and Codes in the Derwent Database

 

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