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发明名称
摘要
申请公布号
FR2118936(A3)
申请公布日期
1972.08.04
申请号
FR19710045663
申请日期
1971.12.20
申请人
STRANGBETONG AB,SW
发明人
分类号
E04B5/02;(IPC1-7):E04B5/00
主分类号
E04B5/02
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代理人
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