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发明名称
摘要
申请公布号	FR1570754(A)	申请公布日期	1969.06.13
申请号	FRD1570754	申请日期	1968.05.20
申请人		发明人
分类号	D07B3/04	主分类号	D07B3/04
代理机构		代理人
主权项
地址

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