Ref. code: | Nd.01-02-12-01 |
Ref. code AP: | Nd.01-02-12-01 |
Creation date(s): | 1/9/1939 |
Title: | Hans Zürcher, in Herisau, Notlampe, insbesondere Luftschutzlampe, Patentnummer CH207411 |
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URL for this unit of description |
URL: | https://query-staatsarchiv.ar.ch/detail.aspx?ID=360372 |
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