ISO 2290:1972
Rotary drilling equipment — Upper and lower Kelly cocks
Reference number
ISO 2290:1972
Edition 1
1972-09
Withdrawn
ISO 2290:1972
7113
Withdrawn (Edition 1, 1972)

General information

  •  : Withdrawn
     : 1972-09
    : Withdrawal of International Standard [95.99]
  •  : 1
     : 5
  • ISO/TC 67
    75.180.10 
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