Catalogue du répertoire des brevets concernant l'horlogerie et les branches annexées / par Robert Berthoud.
Material type:
TextPublisher: [Place of publication not identified] : Société suisse de chronométrie, 1944Description: 182 pages ; 21 cmContent type: - text
- unmediated
- volume
| Item type | Current library | Call number | Status | Date due | Barcode | |
|---|---|---|---|---|---|---|
Books
|
Jost Bürgi Library Reading Room | TS543.S9 B47 1944 (Browse shelf(Opens below)) | Available | 31560000056560 |
31560000056560 1335
proposal for a new classification system for swiss horological patents
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