Répertoire des Numéros de brevets avec leur indices de classement : Bibliothèque des inventions horlogères, années 1888-1947. Index 1 / Robert Berthoud.
Material type: TextPublisher: [Place of publication not identified] : [publisher not identified], [1950?]Description: 124 pages ; 30 cmContent type:- text
- unmediated
- volume
Item type | Current library | Call number | Status | Date due | Barcode | |
---|---|---|---|---|---|---|
Books | Jost Bürgi Library Reading Room | TS543.S9 R46 1950z (Browse shelf(Opens below)) | Available | 31560000076980 |
31560000076980 10147
Index of horological Swiss patent numbers 1888 to 1947 crossreferenced to the Berthoud classification system of horological innovations
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