GB/T 2008-1987
Active
NB/T 11326-2023
Active
Industry standards-Energy
NB/T 11326-2023 The specification for hydraulic punching technology of through-bedded drillholes in coal seam
NB/T 11326-2023 The specification for hydraulic punching technology of through-bedded drillholes in coal seam
Price:
$ 30
Basic Information
Standard Code:
NB/T 11326-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Geological and mineral exploration and development
ICS Name:
Mining and excavation
Publish Date:
2023-10-11
Implement Date:
2024-04-11
Scope
This document is applicable to the hydraulic perforation technology for cross-layer drilling in the coal mining face, coal roadway excavation face, and coal recovery face of Shimen Coal Mine.
Development Information
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