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Chinese National Standard Category: Non-metal chemical machinery equipment

English Title: Vitreous and Porcelain Enamels - Determination of Resistance to Impact
Chinese Title: 搪玻璃层耐机械冲击试验方法
Standard No.: GB/T 7990-2013
Category No.: G94
Issued by: AQSIQ,SAC
Issued on: 2013-12-31
Implemented on: 2014-10-1
Status: abolished
Superseded by:GB/T 7991.4-2019 Test method of viterous and porcelain enamels--Part 4: Determination of resistance to impact
Superseded on:2020-11-1
Abolished on:2020-11-01
Superseding:GB/T 7990-2002 Impact test method of glass-lined layer
Word Count:4000 words
Similar Standards: HG/T 2048-1991   HG/T 2055-1991   HG/T 2058-1991   HG/T 2105-2006   HG/T 2145-1991   HG/T 2142-1991   HG/T 2051-1991   HG/T 2055.1-1991   GB/T 13465.12-2023   GB/T 41312.2-2023   GB/T 41312.3-2023   GB/T 7994.3-2022   GB/T 41312.1-2022   GB/T 7991.3-2021   GB/T 7991.1-2021   GB/T 7996-2020   GB/T 23711.4-2019   GB/T 23711.7-2019   GB/T 7991.7-2019   GB/T 18749-2019  
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