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Chinese National Standard Category: Electronic element in general

English Title: Test methods for porosity of metallic coatings
Chinese Title: 金属镀层孔隙率的检验方法
Standard No.: SJ 1280-1977
Category No.: L10
Issued by: MIIT
Issued on: 1978-03-01
Implemented on: 1978-3-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:SJ 43-1964
Word Count:2000 words
Similar Standards: GB/T 41032-2021   GB/T 39560.5-2021   GB/T 39560.8-2021   GB/T 39560.702-2021   GB/T 39560.4-2021   GB/T 40231-2021   GB/T 40031-2021   GB/T 33351.2-2021   GB/T 40030-2021   GB/T 39560.301-2020   GB/T 39560.701-2020   GB/T 39560.2-2020   GB/T 39560.1-2020   GB/T 39560.6-2020   GB/T 37876-2019   GB/T 37861-2019   GB/T 37760-2019   GB/T 37765-2019   GB/T 37757-2019   GB/T 33905.1-2017  
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