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摘要
申请公布号
JP2820806(B2)
申请公布日期
1998.11.05
申请号
JP19910054473
申请日期
1991.03.19
申请人
发明人
分类号
B21J13/02;B24B5/04;B24B5/06;B24B19/00;B24B19/02;(IPC1-7):B24B19/02
主分类号
B21J13/02
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