GB/T 15663.7-2008

Terms relating to coal mining - Part 7: Mining subsidence & special coal mining

NORMA vydaná dňa 18.9.2008

Anglicky a čínsky -
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The information about the standard:

Designation standards: GB/T 15663.7-2008
Publication date standards: 18.9.2008
Country: Chinese technical standard
Kategória: Technické normy GB