Dtu 25 - 31 . vertical smooth face plasterboard . partition works with plaster tiles . part 1 : technical clauses book 垂直光滑石膏板.石膏板隔板施工.第1部分:技术条款
2.
Dtu 25 - 31 . vertical smooth face plasterboard . partition works with plaster tiles . part 2 : special clauses book Dtu 25 - 31 .垂直光滑削面的灰泥板.用灰泥块作的隔板.第2部分:特殊条款手册