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发明名称
摘要
申请公布号
JPH0796128(B2)
申请公布日期
1995.10.18
申请号
JP19870279041
申请日期
1987.11.06
申请人
发明人
分类号
B21D5/01;(IPC1-7):B21D5/01
主分类号
B21D5/01
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代理人
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