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发明名称
摘要
申请公布号
JPS5822723(Y2)
申请公布日期
1983.05.16
申请号
JP19750112706U
申请日期
1975.08.15
申请人
发明人
分类号
G03B42/02;A61B6/02;G03B42/04;(IPC1-7):A61B6/02;G03B41/16
主分类号
G03B42/02
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