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发明名称
摘要
申请公布号
JPS6313861(Y2)
申请公布日期
1988.04.19
申请号
JP19850105825U
申请日期
1985.07.10
申请人
发明人
分类号
B21D19/08;(IPC1-7):B21D19/08
主分类号
B21D19/08
代理机构
代理人
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