Specification for Hexagon Bolts for Steel Structures (IS : 6639 - 1972)

Indian Standards Institution

Specification for Hexagon Bolts for Steel Structures (IS : 6639 - 1972) - Third Reprint January 1986 - New Delhi Indian Standards Institution 1973 - 4p

IS : 6639 - 1972

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Indian Standard - IT

IS : 6639 - 1972 / IND
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