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发明名称
摘要
申请公布号	FR2237018(B1)	申请公布日期	1978.10.20
申请号	FR19730024118	申请日期	1973.06.22
申请人	GRISARD PAUL	发明人
分类号	E04B5/26;E04C1/41;(IPC1-7):E04B1/62	主分类号	E04B5/26
代理机构		代理人
主权项
地址

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