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发明名称
摘要
申请公布号
JPH0661665(B2)
申请公布日期
1994.08.17
申请号
JP19890097425
申请日期
1989.04.19
申请人
发明人
分类号
B23P19/02;B23P21/00;(IPC1-7):B23P21/00
主分类号
B23P19/02
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