German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Timbering to trenchwork— 17 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Timbering to trenchwork— 14 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Timbering to trenchwork— 14 стр.