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发明名称
摘要
申请公布号
JPS5873220(U)
申请公布日期
1983.05.18
申请号
JP19810166726U
申请日期
1981.11.09
申请人
发明人
分类号
A61C15/04;A61C15/00;(IPC1-7):A61C15/00
主分类号
A61C15/04
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