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发明名称
摘要
申请公布号
JPS57180498(U)
申请公布日期
1982.11.16
申请号
JP19810066645U
申请日期
1981.05.11
申请人
发明人
分类号
A61C1/02;A61C1/06;B23B45/00;B23B45/02;H02P7/28;H02P7/292;(IPC1-7):H02P7/28
主分类号
A61C1/02
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代理人
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