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International Standard Category: Aluminium and aluminium alloys

GB 2049-1980    Tin-zinc-lead-bronze sheets
锡锌铅青铜板 ;
Category No.:77.120.10 Valid Status:abolished
Issued Organization:National Standards Bureau Issued Date:1980-01-01
Implemented Date:1981-10-1 Abolished Date:2008-12-01
Superseded Standard.:GB/T 2040-2008 Sheet of copper and copper alloy
Superseded Date:2008-12-1
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