Filtrar :
| Norma o proyecto bajo la responsabilidad directa de ISO/TC 263 Secretaría | Etapa | ICS |
|---|---|---|
|
Assessment specification of coalbed methane resources
|
60.60 | |
|
Method of determining coalbed methane content
|
90.93 | |
|
Coalbed methane exploration and development — Terms and definitions
|
90.93 | |
|
Technical specifications for coalbed methane polyethylene gathering and transportation pipeline project
|
20.00 |
|
|
Method of determining specific surface area of coal
|
60.60 | |
|
Evaluation method of coalbed methane recoverability
|
20.00 |
|
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