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发明名称
摘要
申请公布号
JPS6225017(U)
申请公布日期
1987.02.16
申请号
JP19850115099U
申请日期
1985.07.29
申请人
发明人
分类号
B21D28/34;B21D37/10;(IPC1-7):B21D28/34
主分类号
B21D28/34
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代理人
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