GB/T 2007.1-1987
Active
NB/T 10856-2021
Active
Industry standards-Energy
NB/T 10856-2021 Underground high-pressure water cutting technology specifications for coal mining operation
NB/T 10856-2021 Underground high-pressure water cutting technology specifications for coal mining operation
Price:
$ 30
Basic Information
Standard Code:
NB/T 10856-2021
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Health, safety, and labor protection
ICS Name:
Mining and mineral products comprehensive
Publish Date:
2021-12-22
Implement Date:
2022-06-22
Scope
This document is applicable to the slitting operation of ultra-high pressure hydraulic slitting equipment in coal mines. Other medium- and high-pressure hydraulic slitting and hydraulic reaming operations can be carried out with reference to this document.
Development Information
Related Standards
GB/T 2007.2-1987
Active
GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method
GB/T 2007.3-1987
Active
GB/T 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for evaluation of quality variation
GB/T 2007.4-1987
Replaced
GB/T 2007.4-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision
GB/T 2007.5-1987
Replaced
GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for checking the bias of sampling
GB/T 2007.6-1987
Active