Device for assembling a cover made of hard material on the middle part of a watch
The present invention concerns a device for assembling a cover or a cap made of hard material on the upper edge of the middle part of a watch case. Watch case () closed by a crystal () and a back cover () delimiting with a casing ring (), a space () for housing at least a movement (), including a me...
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| Format: | Patent |
| Sprache: | eng |
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