CS 56 : 1969 : Method for the determination of colour fastness of textile meterials to washing at 95 C for 4 hours (Test 5)
- Colombo Bureau of Ceylon Standards
- 11p.
STD 2141
CS 56 : 1969
677.06 : 677.21
STD 2141
CS 56 : 1969
677.06 : 677.21