NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
Standards
[CURRENT]
ISO 4657
ISO 4657
Assessment specification of coalbed methane resources
Title (German)
Bewertungsspezifikationen von Kohleflözmethan-Ressourcen
Responsible national committee
NA 109-00-01-63 AK - Coalbed methane (CBM) - Mirror committee of ISO/TC 263