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发明名称
摘要
申请公布号
JPS61177727(U)
申请公布日期
1986.11.06
申请号
JP19850057552U
申请日期
1985.04.19
申请人
发明人
分类号
B21D43/05;B21D43/00;(IPC1-7):B21D43/00
主分类号
B21D43/05
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代理人
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