,申请号FRD1592911-传众专利搜索

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发明名称
摘要
申请公布号	FR1592911(A)	申请公布日期	1970.05.19
申请号	FRD1592911	申请日期	1968.11.22
申请人		发明人
分类号	F21K5/14;G03B15/04	主分类号	F21K5/14
代理机构		代理人
主权项
地址

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