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申请公布号
FR2329820(B1)
申请公布日期
1982.06.25
申请号
FR19760031687
申请日期
1976.10.21
申请人
ETERNIT STE FINANCIERE
发明人
分类号
E04D3/30;E04D3/32;(IPC1-7):E04D3/40
主分类号
E04D3/30
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