Building works - Gypsum plasterboards works - Part 2: contract bill of special administrative clauses.

建筑工程。石膏板的铺设工程。第2部分：特殊管理条款合同单。

youdao

Building works - Gypsum plasterboards works - Part 2: contract bill of special administrative clauses.

建筑工程。石膏板的铺设工程。第2部分：特殊管理条款合同单。

youdao