File:Świder jednogryzowy typu S.jpg
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| Description |
English: Drill bit cone, type S. Used in drilling boreholes of diameter 216 mm in semihard rocks. Image taken in Warsaw Museum of Technology.
Polski: Świder jednogryzowy typu S. Służy do wiercenia otworów eksploatacyjnych i geologiczno-poszukiwawczych o średnicy 216 mm w skałach średnio twardych. Eksponat z warszawskiego Muzeum Techniki. |
| Date | |
| Source | Own work |
| Author | Olaf |
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:57, 5 August 2009 | | 1,200 × 1,600 (312 KB) | Olaf (talk | contribs) | {{Information |Description={{en|1=Drill bit cone, type S. Used in drilling boreholes of diameter 216 mm in semihard rocks. Image taken in Warsaw Museum of Technology.}} {{pl|1=Świder jednogryzowy typu S. Służy do wiercenia otworów eksploatacyjnych i g |
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