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发明名称
摘要
申请公布号
JPS59185013(U)
申请公布日期
1984.12.08
申请号
JP19830080571U
申请日期
1983.05.27
申请人
发明人
分类号
B21D1/06;C21D1/26;C21D1/30;C21D1/52;(IPC1-7):B21D1/06
主分类号
B21D1/06
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