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+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. Resumen
1.1 Referencias1.2 Requisitos identificados1.3 Estándares relacionados2. Requisitos identificados
3. Estándares relacionados
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