NB/T 51004-2012 in English
VALIDSpecifications for Compiling Geology Instructions of Coal Uncovering in Mine Passageway
- Issued on:2012-11-09
- Implemented on:2013-03-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$117.00
Scope
This standard specifies the requirements and content for the preparation of geological descriptions of coal mining in coal mine tunnels. This standard is applicable to the preparation of geological instructions for coal mining in coal mine tunnels.

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