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发明名称
摘要
申请公布号	JPH079502(Y2)	申请公布日期	1995.03.06
申请号	JP19900019519U	申请日期	1990.02.28
申请人		发明人
分类号	A47G19/22;H04R1/00;H04R1/02;(IPC1-7):H04R1/00	主分类号	A47G19/22
代理机构		代理人
主权项
地址

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