Press welded/press locked grating treads and pieces to be used on pedestrian and vehicle walkways. Part 3: Sampling and acceptance criteria for pieces and treads
人行道和车辆人行道上使用的压焊/压锁格栅踏板和部件 第3部分:工件和踏板的取样和验收标准

2008-12-03

Press welded/press locked grating treads and pieces to be used on pedestrian and vehicle walkways. Part 1: Materials, tolerances and testing of pieces
人行道和车辆人行道上使用的压焊/压锁格栅踏板和部件 第1部分:材料、公差和试件

2008-12-10