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申请公布号
JPH0285520(U)
申请公布日期
1990.07.05
申请号
JP19880166529U
申请日期
1988.12.23
申请人
发明人
分类号
B23B51/00;B23B51/08;(IPC1-7):B23B51/08
主分类号
B23B51/00
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