Document Details Repetoire des numeros de brevets avec leurs indices de classement par Robert Berthoud:
Number of documents found: 1
- Title: Repetoire des numeros de brevets avec leurs indices de classement par Robert Berthoud
SubTitle: Bibiliotheques des inventions horlogeres, annees 1888 a 1947 - Author: Robert Berthoud
- Publisher: Author
Other Keywords: patents
Language: FRE
Notes: Index of horological Swiss patent numbers 1888 to 1947 crossreferenced to the Berthoud classificationn system of horological innovations
Edition: 1950s? undated -- Copyright: 1950
Kind: Book
Type: Timekeeper (general)
Geographic area: Switzerland
Topic: Reference
Organization: NA/other
Pages: 124 -- Height in cm: 30
Print Status: 2 (1 means in print - 2 means out of print)
Entered By: FMM
BHM No: 10147 - Publisher: Author
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