JB/T 7978-1999 Active Industry standards-Mechanical

JB/T 7978-1999 Steel and granite straight edges

Publish Date: 1999-05-20 Implement Date: 2000-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JB/T 7978-1999

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Measuring tools and instruments

ICS Name: Measuring instruments and meters

Publish Date: 1999-05-20

Implement Date: 2000-01-01

Pages: 8 pages

Development Information

Pages: 8 pages

Replace the following standards

JB/T 7978-1995

Related Standards

GB/T 1957-1981 Replaced

GB/T 1957-1981 Limit gauges for plain workpiece

Publish Date: 1980-12-26

GB/T 1216-1985 Replaced

GB/T 1216-1985 Micrometers

Publish Date: 1985-04-23

GB/T 5106-1985 Replaced

GB/T 5106-1985 Gauges for straight cylindrical involute splines

Publish Date: 1985-04-27

GB/T 6091-1985 Replaced

GB/T 6091-1985 Straight edge

Publish Date: 1985-06-06

GB/T 1217-1986 Replaced

GB/T 1217-1986 Gear tooth micrometers

Publish Date: 1986-04-24

GB/T 13925-1992 Replaced

GB/T 13925-1992 Metallographs for high manganese cast steel

Publish Date: 1992-12-10