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发明名称
摘要
申请公布号
JPH023709(U)
申请公布日期
1990.01.11
申请号
JP19880080724U
申请日期
1988.06.18
申请人
发明人
分类号
A61C15/02;(IPC1-7):A61C15/02
主分类号
A61C15/02
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