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发明名称
摘要
申请公布号
JP2895638(B2)
申请公布日期
1999.05.24
申请号
JP19910026342
申请日期
1991.02.20
申请人
AMADA KK
发明人
WADA AKIRA
分类号
B21D43/00;B23Q7/18;(IPC1-7):B21D43/00
主分类号
B21D43/00
代理机构
代理人
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