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发明名称
摘要
申请公布号
JPS59143524(U)
申请公布日期
1984.09.26
申请号
JP19830036415U
申请日期
1983.03.14
申请人
发明人
分类号
B21D28/34;B21D37/14;(IPC1-7):B21D28/34
主分类号
B21D28/34
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代理人
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