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SLS : 414 : 1977 : Specification for covered electrodes for the manual metal arc welding of mild steel - Colombo BUREAU OF CEYLON STANDARDS 1977 - 22p.

STD2603

SLS 414 : 1977


a621.791.753.042.4:669.15-194.2
SRI LANKA-STANDARDS
STANDARDS-SRI LANKA

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