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Steel arches for use in mines (straight sided and horse-shoe arches).
STANDARD published on 6.5.1926
Designation standards: BS 227:1926
Note: WITHDRAWN
Publication date standards: 6.5.1926
SKU: NS-61641
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
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Latest update: 2026-07-23 (Number of items: 2 290 138)
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