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International Standard Category: Walls. Partitions. Fa?ades

JC 238-1991(1996)    Fly ash building blocks
粉煤灰砌块 ;
Category No.:91.060.10 Valid Status:abolished
Issued Organization:0 Issued Date:1991-3-22
Implemented Date:1991-12-1 Abolished Date:2015-04-30
Superseded Standard.: Superseded Date:
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