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发明名称
摘要
申请公布号
JPS5268697(U)
申请公布日期
1977.05.21
申请号
JP19750156087U
申请日期
1975.11.17
申请人
发明人
分类号
G03B23/10;A61B3/02;A61B3/09;G03B21/00;(IPC1-7):A61B3/09
主分类号
G03B23/10
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