1.
Scaffold steel pipes should be made of φ 48.
3 × 3.
6 steel pipes, and the maximum weight of each steel pipe should not exceed 25.
8Kg;.
1.
Scaffold steel pipes should be made of φ 48.
3 × 3.
6 steel pipes, and the maximum weight of each steel pipe should not exceed 25.
8Kg;.
