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| Polarkoordinaten f | |||
| Polarkoordinatensystem n | |||
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polar coordinate system : 1 do fraz, 1 tematyki |
| Technika i technologia | 1 |
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| Polarkoordinaten f | |||
| Polarkoordinatensystem n | |||
|
polar coordinate system : 1 do fraz, 1 tematyki |
| Technika i technologia | 1 |