BS-EN-13942 Complete Document History
Petroleum and natural gas industries. Pipeline transportation systems. Pipeline valves

Complete Current Edition:
   2009 EDITION - PETROLEUM and NATURAL GAS INDUSTRIES, PIPELINE TRANSPORTATION - March 31, 2009
   2009 EDITION CORRIGENDUM 1 - CORRIGENDUM 1 FOR 2009 EDITION - Aug. 1, 2009

Obsolete Revision Information:
   2003 EDITION - PETROLEUM and NATURAL GAS INDUST - Oct. 23, 2003