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International Standard Category: Other non-ferrous metals and their alloys

GB/T 5238-2009    Monocrystalline germanium and monocrystalline germanium slices
锗单晶和锗单晶片;
Category No.:77.120.99 Valid Status:superseded
Issued Organization:AQSIQ, SAC Issued Date:2009-10-30
Implemented Date:2010-6-1 Abolished Date:
Superseded Standard.:GB/T 5238-2019
Superseded Date:2020-5-1
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