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发明名称
摘要
申请公布号
JPH078397(B2)
申请公布日期
1995.02.01
申请号
JP19870086931
申请日期
1987.04.10
申请人
发明人
分类号
B21J1/04;B21J13/02;(IPC1-7):B21J13/02
主分类号
B21J1/04
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