QJ 1889-1990 Abolished Industry standards-Aerospace

QJ 1889-1990 Metallized through-hole metallography inspection method for printed circuit board

Publish Date: 1990-01-20 Implement Date: 1990-12-20 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 1889-1990

Standard Type: Industry standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Electronic components

ICS Name: -

Publish Date: 1990-01-20

Implement Date: 1990-12-20

Pages: 12 pages

Development Information

Pages: 12 pages

Superseded by the following standards

QJ 1889A-2012

Referenced Standards

QJ 831-1985 Aeronautical multilayer printed circuit board technical specifications QJ 832-1985 Test Methods for Multi-layer Printed Circuit Boards for Aerospace Applications

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