DB37/T 1921-2021 Active Shandong ProvinceLocal standards

DB37/T 1921-2021 Ground-source drilling regulations

Publish Date: 2021-03-11 Implement Date: 2021-04-11 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB37/T 1921-2021

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Hydrogeological survey

ICS Name: Drilling and excavation equipment

Publish Date: 2021-03-11

Implement Date: 2021-04-11

Pages: 49 pages

Development Information

Pages: 49 pages

Replace the following standards

DB37/T 1921-2011 Ground geothermal drilling technology instructions

Related Standards

GB/T 6374-1986 Replaced

GB/T 6374-1986 Shanks for rock drilling machines and pneumatic tools and fitting dimensions of chuck bushings

Publish Date: 1986-05-13

GB/T 9151-1988 Replaced

GB/T 9151-1988 Terms of drilling engineering

Publish Date: 1988-07-20

GB/T 12761-1991 Replaced

GB/T 12761-1991 Raise-boring machines

Publish Date: 1991-03-22

GB/T 13343-1992 Replaced

GB/T 13343-1992 Blast hole tricone rock bits

Publish Date: 1992-01-07

GB/T 13344-1992 Replaced

GB/T 13344-1992 Downhole drill hammers and bits

Publish Date: 1992-01-07

GB/T 14446-1993 abolished_transferred

GB/T 14446-1993 Heavy duty carbide insert blanks for cutting tools

Publish Date: 1993-06-11