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发明名称
摘要
申请公布号
JPS59148146(U)
申请公布日期
1984.10.03
申请号
JP19830043717U
申请日期
1983.03.25
申请人
发明人
分类号
B21D28/34;B21D28/26;B21D45/04;B30B15/32;(IPC1-7):B21D45/04
主分类号
B21D28/34
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