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DIN EN ISO 28781
Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment (ISO 28781:2010); English version EN ISO 28781:2010
Edition
2010-12
SN EN ISO 28781
Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment (ISO 28781:2010)
Edition
2010-11
NF M87-233 ; NF EN ISO 28781:2013-03-06
Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment
Edition
2013-03-06
BS EN ISO 28781
Petroleum and natural gas industries. Drilling and production equipment. Subsurface barrier valves and related equipment
Edition
2010-09-30
OENORM EN ISO 28781
Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment (ISO 28781:2010)
Edition
2010-12-15
ISO 28781
Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment
Edition
2010-08