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发明名称
摘要
申请公布号
JPS5458470(U)
申请公布日期
1979.04.23
申请号
JP19770132779U
申请日期
1977.09.30
申请人
发明人
分类号
A61C17/032;A61C15/00;(IPC1-7):A61C15/00
主分类号
A61C17/032
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