GB/T 50657-2011 Active National standards

GB/T 50657-2011 Standard of drawing-making for surface mining coal

Publish Date: 1970-01-01 Implement Date: 2011-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: GB/T 50657-2011

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: The raw materials industry and communication and broadcasting engineering

ICS Name: Mining and mineral products comprehensive

Publish Date: 1970-01-01

Implement Date: 2011-12-01

Pages: 37 pages

Scope

This standard is applicable to the mining professional engineering drawing in all design stages of open-pit coal mines

Development Information

Pages: 37 pages

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