+Article 2 (49)

Article 2 (49)

‘drainage system’ means a system which may comprise multiple methane sources and which drains methane-rich gas from coal seams or surrounding rock strata and transports it to a drainage station;

1. Pregled

,

1.1 Sklici

1.2 Ugotovljene zahteve

1.3 Povezani standardi

2. Ugotovljene zahteve

Zahteve

3. Povezani standardi

Standardi