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发明名称
摘要
申请公布号
FR2010331(A1)
申请公布日期
1970.02.13
申请号
FR19690018007
申请日期
1969.06.02
申请人
ALUMINIUM WERKE AG
发明人
分类号
E04B1/94;E04C2/292;(IPC1-7):E04B2/00
主分类号
E04B1/94
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