,申请号JP19740044798U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5619024(Y2)	申请公布日期	1981.05.06
申请号	JP19740044798U	申请日期	1974.04.22
申请人		发明人
分类号	G04B27/02;G04B27/00;(IPC1-7):G04B27/02	主分类号	G04B27/02
代理机构		代理人
主权项
地址

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