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SLS : 659 : part 1 : 1993 : Specification for unplasticized polyvinyl chloride pipe joints and fittings for potable cold water supplies : part 1 - socket fittings for solvent welding (1st revision) - Colombo SRI LANKA STANDARDS INSTITUTION 1993 - 25p.

STD2855

SLS 659 : Part 1 : 1993


a621.643:678.743.22:696.122
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA

621.643:678.743.11:696.122

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