Specification for unreinforced corrugated and semi- corrugated asbestos cement sheets
IS:459-1970
Specification for unreinforced corrugated and semi- corrugated asbestos cement sheets - ISI : New Delhi , 1970
10p.
Specification for unreinforced corrugated and semi- corrugated asbestos cement sheets - ISI : New Delhi , 1970
10p.