Gives requirements for a clamp which, in conjunction with a suitable support structure, provides means of stowage for the derrick boom when the latter is not in use.Cross References: BS 499:Part 2*BS 1574*BS 4190*BS 4320 *BS 4360*
BS MA 17:1972
Original price was: $160.02.$80.00Current price is: $80.00.
Specification for derrick boom clamp
BSI Group , 07/31/1972
Pages: 8



