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| beam layout; the floor joists of one storey; joist floor, girder floor; the joists of a floor, naked floor; system of beams | |||
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poutraison : 3 do fraz, 2 tematyki |
| Budownictwo | 1 |
| Transport | 2 |
|
| |||
| beam layout; the floor joists of one storey; joist floor, girder floor; the joists of a floor, naked floor; system of beams | |||
|
poutraison : 3 do fraz, 2 tematyki |
| Budownictwo | 1 |
| Transport | 2 |