,申请号FR19730020477-传众专利搜索

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发明名称
摘要
申请公布号	FR2231832(B3)	申请公布日期	1976.05.21
申请号	FR19730020477	申请日期	1973.06.01
申请人	GAY JOSEPH	发明人
分类号	E04B7/22;(IPC1-7):E04D1/00;E04B7/00	主分类号	E04B7/22
代理机构		代理人
主权项
地址

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