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发明名称
摘要
申请公布号
JPH0244911(Y2)
申请公布日期
1990.11.28
申请号
JP19860186941U
申请日期
1986.12.02
申请人
发明人
分类号
B21J15/10;B21J15/00;B21J15/02;B21J15/16;B21J15/28;B21J15/36;(IPC1-7):B21J15/10
主分类号
B21J15/10
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