Specification for steel doors, windows and ventilators
Specification for steel doors, windows and ventilators
-
- New Delhi BIS 1968
- 37 p.
- ISI 1038 : 1968 .
Doors steel, Windows steel, Ventilators steel
BISI 1038 : 1968
Doors steel, Windows steel, Ventilators steel
BISI 1038 : 1968