DIN EN ISO 15112:2023-03 Natural gas - Energy determination (ISO 15112:2018); German version EN ISO 15112:2018 / Note: This standard is part of the DVGW body of rules.
2023DIN EN ISO 15112:2023-03 Natural gas - Energy determination (ISO 15112:2018); German version EN ISO 15112:2018 / Note: This standard is part of the DVGW body of rules.