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 |
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.
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