Metal scaffolding : part. 2 Specification for couplers and fittings for use in tubular scaffolding  [Books]. 
British Satandards Institution. 
 - London  British Standards Institution  1982 
 - Pages: 4 
<br/><br/><label>ISBN: </label> 0.00 
<br/><br/><label>Dewey Class. No.: </label>TH/5281  / BRI