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法人/股东/高管

发明名称
摘要
申请公布号	JPS60189875(U)	申请公布日期	1985.12.16
申请号	JP19840077920U	申请日期	1984.05.29
申请人		发明人
分类号	H04R1/02;G01S7/52;G01S7/521;H04R1/00;(IPC1-7):G01S7/52	主分类号	H04R1/02
代理机构		代理人
主权项
地址

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