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发明名称
摘要
申请公布号	FR2037145(A1)	申请公布日期	1970.12.31
申请号	FR19700007309	申请日期	1970.02.27
申请人	GENERAL ELECTRIC	发明人
分类号	G04C21/18;(IPC1-7):G04C21/00	主分类号	G04C21/18
代理机构		代理人
主权项
地址

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