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International Standard Category: Non-ferrous metal pipes

GB/T 8893-1988    Copper and copper alloys; Rectangular and square waveguide tube
矩形和方形铜及铜合金波导管 ;
Category No.:23.040.15 Valid Status:abolished
Issued Organization:China State Bureau of Standards Issued Date:1988-02-29
Implemented Date:1989-2-1 Abolished Date:2008-04-01
Superseded Standard.:GB/T 8894-2007 Copper and copper-alloy waveguide tube
Superseded Date:2008-4-1
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