File:Pollak bridge.png
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DescriptionPollak bridge.png |
English: Bridge rectifier from Karol Pollak patent.
Polski: Prostownik mostkowy w patencie Karola Pollaka |
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Date |
before 19 December 1895 date QS:P,+1895-12-19T00:00:00Z/7,P1326,+1895-12-19T00:00:00Z/11 |
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Source | British patent 24,398 from 1895 | |||||
Author | Karol Pollak | |||||
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current | 16:59, 30 March 2012 | 1,424 × 771 (94 KB) | Kekator (talk | contribs) | Larger & cleaned | |
07:45, 6 November 2011 | 530 × 257 (50 KB) | RJB1 (talk | contribs) | {{Information |Description ={{en|1=Bridge rectifier from Karol Pollak patent.}} {{pl|1=Prostownik mostkowy w patencie Karola Pollaka}} |Source =British patent 24398 from 1895 |Author =Karol Pollak |Date =1895 |Permission = |
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