CS 74 : 1969 : Ceylon standard dimensions of round and square steel bars for structural and general engineering purposes (metric series)
- Colombo Bureau of Ceylon Standards
- 8p.
STD2185
CS 74 : 1969
669.14 : 624 : 693.8
STD2185
CS 74 : 1969
669.14 : 624 : 693.8