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发明名称
摘要
申请公布号
JPS5456496(U)
申请公布日期
1979.04.19
申请号
JP19750144747U
申请日期
1975.10.23
申请人
发明人
分类号
A61C17/02;A61C17/00;(IPC1-7):A61C17/00
主分类号
A61C17/02
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代理人
主权项
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