GB/T 37807-2019

Active

Technical specification for underground goaf survey of open-pit coal mine

露天煤矿井采采空区勘查技术规范

Standard Type

GBT

ICS

73.100.99

CCS

D20

Status

现行

Issue Date

2019-08-30

Implementation

2020-03-01

Responsible Dept

中国煤炭工业协会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 2885.5-1981 Flat deck wagon for metallic mines--Basicparameters and dimensions GB/T 2885.3-1981 Single-side tipping and curved rail wagon for metallic mines--Basic parameters and dimensions GB/T 2885.2-1981 Tilting wagon for metallic mines--Basic parameters and dimensions GB/T 2885.1-1981 Solid-bottom wagon for metallic mines--Basic parameters and dimensions GB/T 2885.6-1981 Material supply wagon for metallic mines--Basic parameters and dimensions GB/T 2885.4-1981 Automatic drop bottom wagon for metallic mines--Basic parameters and dimensions GB/T 4593-1984 Types and specifications for shaft sinking winches GB/T 6374-1986 Shanks for rock drilling machines and pneumatic tools and fitting dimensions of chuck bushings