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发明名称
摘要
申请公布号
FR2194858(B1)
申请公布日期
1978.03.10
申请号
FR19720027979
申请日期
1972.08.03
申请人
CHAMPIGNY LE SEC CIE INDLE
发明人
分类号
E04B7/02;E04B7/06;(IPC1-7):E04B7/00
主分类号
E04B7/02
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代理人
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