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Specification for extended pitch precision roller chains and chainwheels.
STANDARD published on 10.3.1971
Designation standards: BS 4687:1971
Note: WITHDRAWN
Publication date standards: 10.3.1971
SKU: NS-68420
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-04-30 (Number of items: 2 275 280)
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