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发明名称
摘要
申请公布号
JPH0331401(U)
申请公布日期
1991.03.27
申请号
JP19890091817U
申请日期
1989.08.02
申请人
发明人
分类号
G02B23/24;A61B1/00;(IPC1-7):A61B1/00
主分类号
G02B23/24
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代理人
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