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发明名称
摘要
申请公布号	JP2533810(Y2)	申请公布日期	1997.04.23
申请号	JP19900100741U	申请日期	1990.09.25
申请人		发明人
分类号	H01F38/42;F16B4/00;F16B17/00;H01F19/04;H01F27/29;(IPC1-7):H01F38/42	主分类号	H01F38/42
代理机构		代理人
主权项
地址

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