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发明名称
摘要
申请公布号
JPH0753798(Y2)
申请公布日期
1995.12.13
申请号
JP19900400902U
申请日期
1990.12.18
申请人
发明人
分类号
B21J15/10;B21J15/00;B21J15/02;B21J15/16;(IPC1-7):B21J15/10
主分类号
B21J15/10
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