BS 4116 : 1971 : Specification for steel roller chains, chainwheels and attachments for conveyors
- London B.S.I. 1967
- 19p.
STD1250
BS 4116 : 1971
621.855:672.6 /
STD1250
BS 4116 : 1971
621.855:672.6 /
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