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发明名称
摘要
申请公布号
JPS60136821(U)
申请公布日期
1985.09.11
申请号
JP19840005449U
申请日期
1984.01.19
申请人
发明人
分类号
B21D37/08;B21D19/08;(IPC1-7):B21D19/08
主分类号
B21D37/08
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代理人
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