
Natural gas -- Energy determination
出版:International Organization for Standardization

专家解读视频
This document provides the means for energy determination of natural gas by measurement or by calculation, and describes the related techniques and measures that are necessary to take.
EN ISO 15112 : 2014 - Identical
DS/EN ISO 15112:2018 - Identical
NEN EN ISO 15112 : 2019 - Identical
EN ISO 15112 : 2018 - Identical
I.S. EN ISO 15112:2018 - Identical
SS-EN ISO 15112:2018 - Identical
NS EN ISO 15112 : 2018 - Identical
ONORM EN ISO 15112 : 2019 06 15 - Identical
PN-EN ISO 15112:2019-01 - Identical
BS EN ISO 15112:2018 - Identical
PN-EN ISO 15112:2019-01 - Identical
UNI EN ISO 15112:2019 - Identical
BS EN ISO 15112:2018 - Identical
EN ISO 15112 : 2018 - Identical
EN ISO 15112 : 2014 - Identical
DS/EN ISO 15112:2018 - Identical
I.S. EN ISO 15112:2018 - Identical
SS-EN ISO 15112:2018 - Identical
ONORM EN ISO 15112 : 2019 06 15 - Identical
NS EN ISO 15112 : 2018 - Identical
NEN EN ISO 15112 : 2019 - Identical