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发明名称
摘要
申请公布号
JPS59194342(U)
申请公布日期
1984.12.24
申请号
JP19830089037U
申请日期
1983.06.13
申请人
发明人
分类号
B21D43/10;B21D43/18;B21D43/22;B21D45/04;B30B15/32;(IPC1-7):B21D45/04
主分类号
B21D43/10
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代理人
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