SRPS M.J2.102:1989
Rotary drilling equipment — Upper and lower Kelly cocks
Jul 12, 1989
Jul 12, 1989
95.99
Withdrawal of Standard
Feb 25, 2011
General information
95.99
Feb 25, 2011
ISS
B082
International Standard
75.180.10
Serbian
Life cycle
NOW
WITHDRAWN
SRPS M.J2.102:1989
95.99
Withdrawal of Standard
Feb 25, 2011