QJ 1678-1989 Active Industry standards-Aerospace

QJ 1678-1989 Sheet metal cutting process specifications

Publish Date: 1989-02-14 Implement Date: 1989-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: QJ 1678-1989

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Cold working process

ICS Name: -

Publish Date: 1989-02-14

Implement Date: 1989-08-01

Pages: 9 pages

Development Information

Pages: 9 pages

Referenced Standards

JB/T 4381-2011 Stamping and Shearing for Laser Cutting of Notated Tolerances - Limiting Deviation of Dimensions JB/T 4381-1999 Stamping and cutting blanking Tolerances on dimensions not otherwise specified Limiting deviation QJ 261 QJ 262-1994 Sheet metal stamping parts general technical specification QJ 981.1

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