GB/T 2007.1-1987
Active
NB/T 11330-2023
Active
Industry standards-Energy
NB/T 11330-2023 The specification for the use of gas and water-proof devices in coal mine underground drilling for exploration and drainage to prevent gas and sudden water
NB/T 11330-2023 The specification for the use of gas and water-proof devices in coal mine underground drilling for exploration and drainage to prevent gas and sudden water
Price:
$ 30
Basic Information
Standard Code:
NB/T 11330-2023
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:
2023-10-11
Implement Date:
2024-04-11
Scope
This document applies to operations related to the control of abnormal gas outbursts and water inrush during the drilling of water exploration holes in coal mines.
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