,申请号FR19626600583-传众专利搜索

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发明名称
摘要
申请公布号	FR1317888(A)	申请公布日期	1963.05.08
申请号	FR19626600583	申请日期	1962.03.20
申请人		发明人
分类号	G09B23/04	主分类号	G09B23/04
代理机构		代理人
主权项
地址

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