guard space,ventilation space
[DE] Belüftungshohlraum
[EN] guard space; ventilation space
[FR] vide sanitaire
guard space,guard spacing /ENG-ELECTRICAL/
[DE] Schutzabstand
[EN] guard space; guard spacing
[FR] espacement de garde
crawl space,guard space,ventilation space
[DE] Belueftungshohlraum; Hohlraum
[EN] crawl space; guard space; ventilation space
[FR] vide sanitaire