CS 55 : 1969 : Method for the determination of colour fastness of textile materials to washing at 95 C for 30 minutes (Test 4)
- Colombo Bureau of Ceylon Standards
- 11p.
STD2139
CS 55 : 1969
677.06 : 677.21
STD2139
CS 55 : 1969
677.06 : 677.21