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发明名称
摘要
申请公布号
JPH0753796(Y2)
申请公布日期
1995.12.13
申请号
JP19910071145U
申请日期
1991.08.08
申请人
发明人
分类号
B21J9/06;B21J13/14;B21K1/48;(IPC1-7):B21J13/14
主分类号
B21J9/06
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