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发明名称
摘要
申请公布号
JPS5949401(U)
申请公布日期
1984.04.02
申请号
JP19820143794U
申请日期
1982.09.22
申请人
发明人
分类号
B21B31/02;B21B13/10;(IPC1-7):B21B31/02
主分类号
B21B31/02
代理机构
代理人
主权项
地址
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