GB/T 23561.1-2009

Methods for determining the physical and mechanical properties of coal and rock - Part 1: General requirements for sampling

NORMA vydaná dňa 8.4.2009

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The information about the standard:

Designation standards: GB/T 23561.1-2009
Note: NEPLATNÁ
Publication date standards: 8.4.2009
Country: Chinese technical standard
Kategória: Technické normy GB