DIN 18361:2019-09 German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Glazing works
2023DIN 18361:2023-09 German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Glazing works
2019DIN 18361:2019-09 German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Glazing works
2012DIN 18361:2012 German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Glazing works