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发明名称
摘要
申请公布号
JPS6371924(U)
申请公布日期
1988.05.13
申请号
JP19860161875U
申请日期
1986.10.22
申请人
发明人
分类号
B21D39/02;B21D19/08;(IPC1-7):B21D39/02
主分类号
B21D39/02
代理机构
代理人
主权项
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