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BS 227:1970

$142.49

Specification for H-section steel arches for use in mines

Published By Publication Date Number of Pages
BSI 1970 24
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Materials, physical properties of sections; identification marking of arches; 2- and 3-piece straight-legged and splay-legged arch shapes; joints, fish plates, bolts; preferred arch sizes; mass, dimensions of standard sections.

BS 227:1970
$142.49