JB/T 9221-1999 Abolished Industry standards-Mechanical

JB/T 9221-1999 The effective bentonite and effective coal powder test methods for wet sand used in casting

Publish Date: 1999-06-24 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 9221-1999

Standard Type: Industry standards

Standard Status: Abolished

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1999-06-24

Implement Date: 2000-01-01

Pages: 5 pages

Development Information

Pages: 5 pages

Replace the following standards

ZB/T J31 011-1990

Superseded by the following standards

JB/T 9221-2017 The test method standard for effective bentonite and effective coal powder in wet casting sand

Related Standards

DZ/T 0101.12-1994 Active

DZ/T 0101.12-1994 Geological instrument manufacturing time quota for printed circuit board

Publish Date: 1994-01-27

JJG 204-1980 Active

JJG 204-1980 Meteorological Ventilation Psychrometer

Publish Date: 1980-07-11

SC 53-1980 Active

SC 53-1980 Transfer blade hydraulic steering gear repair quality standard

Publish Date: 1981-07-01

DZ 4-1981 Replaced

DZ 4-1981

Publish Date: 1981-08-20

SC 69-1982 Active

SC 69-1982 ZSS-12 Flash-type seawater desalination production device technical specifications

Publish Date: 1982-01-20

SC 72-1982 Active

SC 72-1982 Steel Fishing Boat Builder Quality Standards and Mooring Equipment Installation Technical Requirements

Publish Date: 1982-03-30