CS 9 : 1967 : Specification for asbestos cement corrugated and flat sheets
- Colombo Bureau of Ceylon Stamndards
- 22p.
STD1979
CS 9 : 1967
691.328.5 - 41 : 666.91
STD1979
CS 9 : 1967
691.328.5 - 41 : 666.91
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