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发明名称
摘要
申请公布号	JPH043407(U)	申请公布日期	1992.01.13
申请号	JP19900043752U	申请日期	1990.04.24
申请人		发明人
分类号	G02B6/32;(IPC1-7):G02B6/32	主分类号	G02B6/32
代理机构		代理人
主权项
地址

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