,申请号JP19640019786U-传众专利搜索

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法人/股东/高管

发明名称
摘要
申请公布号	JPS4217820(Y1)	申请公布日期	1967.10.16
申请号	JP19640019786U	申请日期	1964.03.13
申请人		发明人
分类号	H04R1/28;G10H1/04;G10H1/047;H04R1/22;(IPC1-7):G10H1/04	主分类号	H04R1/28
代理机构		代理人
主权项
地址

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