,申请号JP19790103835U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5621784(U)	申请公布日期	1981.02.26
申请号	JP19790103835U	申请日期	1979.07.27
申请人		发明人
分类号	G04B21/04;G04C21/08;(IPC1-7):G04B21/04	主分类号	G04B21/04
代理机构		代理人
主权项
地址

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