File:Pongratz-Bohnermaschine.jpg
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Summary[edit]
DescriptionPongratz-Bohnermaschine.jpg | First electric floor polishing machine constructed in 1904 by the Hungarian engineer Pongraz, who failed with this construction and his company. | ||
Date | |||
Source | HAWIG-Archiv | ||
Author | Unknown authorUnknown author | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:00, 11 December 2007 | 1,321 × 1,495 (1.09 MB) | Zepufra (talk | contribs) | {{Information |Description=first elebtric floor polishing machine |Source=HAWIG-Archiv |Date=1904 |Author=unknown [[PD-old}} |Permission=by HAWIG GmbH Bensheim Germany |other_versions= }} | |
18:10, 11 December 2007 | 1,321 × 1,495 (1.09 MB) | Zepufra (talk | contribs) | {{Information |Description=first electric floor polishing machine from 1904 |Source=HAWIG-Archiv |Date=1904 |Author=unknown |Permission=by HAWIG-GmbH |other_versions= }} |
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