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Patent:CH188737
| Patent: | CH 188737 |
| Title: | Sperreinrichtung für die Zählerräder an Wertstempelmaschinen |
| Date: | 15.01.1937 |
| Place: | Oslo |
| Country: | Switzerland |
| Person: | |
| Company: | AS Hekla |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CH188737 |
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