Specification for spiral welded pipes
Indian Standards Institution
Specification for spiral welded pipes - New Delhi 1970 - 26p - IS:5504-1969 .
PIPES, STEEL - SPECIFICATIONS
PIPES, STEEL - SPECIFICATIONS
389.6 IS:5504
Specification for spiral welded pipes - New Delhi 1970 - 26p - IS:5504-1969 .
PIPES, STEEL - SPECIFICATIONS
PIPES, STEEL - SPECIFICATIONS
389.6 IS:5504