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发明名称
摘要
申请公布号
JPH0790426(B2)
申请公布日期
1995.10.04
申请号
JP19900029668
申请日期
1990.02.13
申请人
发明人
分类号
B23H7/10;B23H7/02;(IPC1-7):B23H7/10
主分类号
B23H7/10
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