NB/T 11937-2025 Active Industry standards-Energy

NB/T 11937-2025 Design and Construction Specification for L-type Surface Drilling in Coal Mine Driving Area

Publish Date: 2025-12-18 Implement Date: 2026-06-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: NB/T 11937-2025

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: 2025-12-18

Implement Date: 2026-06-18

Development Information

Related Standards

GB/T 2007.1-1987 Active

GB/T 2007.1-1987 General rules for the sampling and sample preparation of minerals in bulk—Sampling by manual method

Publish Date: 1987-12-15

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

Publish Date: 1987-12-15

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

Publish Date: 1987-12-15

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

Publish Date: 1987-12-15

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

Publish Date: 1987-12-15

GB/T 2007.6-1987 Active

GB/T 2007.6-1987 General rules for the sampling and sample preparation of minerals in bulk—Determination of moisture content—Heat drying method

Publish Date: 1987-12-15