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发明名称
摘要
申请公布号	JPH01122031(U)	申请公布日期	1989.08.18
申请号	JP19870198535U	申请日期	1987.12.26
申请人		发明人
分类号	A42B3/30;A42B1/24;A42B3/00;H04R1/00;(IPC1-7):A42B3/00	主分类号	A42B3/30
代理机构		代理人
主权项
地址

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