File:Swedish patent 1828 Kolpulvermikrofon.pdf
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Lars Magnus Ericsson: Q122855829
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| Author |
L.M. Ericsson, Stockholm |
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| Title |
Swedish:
Kolpulvermikrofon  |
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| Object type |
patent |
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| Description |
Swedish patent 1828: Kolpulvermikrofon |
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| Language |
Swedish |
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| Publication date | 12 November 1888 | |
| Source | Digitized by NordiskaPatent.se | |
Licensing edit
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This document is in the public domain in Sweden because it is a reproduction of a law, decision, or report issued by a Swedish public authority (svensk myndighet) or an official translation of such a text. Lag (1960:729) om upphovsrätt till litterära och konstnärliga verk 9 §. This does not include maps, visual art, musical works, or poetic works. |  |
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| current | 03:27, 9 April 2010 |  | 1,239 × 1,752, 4 pages (199 KB) | LA2 (talk | contribs) | == Summary == {{Information |Description=Swedish patent 1828: Kolpulvermikrofon |Source=Digitized by [http://nordiskapatent.se/ NordiskaPatent.se] |Date=November 12, 1888 |Author=L.M. Ericsson, Stockholm |Permission= |other_ve |
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