 |
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| Baukastenprinzip n; Baukasten-Prinzip n | |||
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mechanical assembly technique : 2 do fraz, 1 tematyki |
| Technika i technologia | 2 |
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| Baukastenprinzip n; Baukasten-Prinzip n | |||
|
mechanical assembly technique : 2 do fraz, 1 tematyki |
| Technika i technologia | 2 |