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发明名称
摘要
申请公布号
JPH03126242(U)
申请公布日期
1991.12.19
申请号
JP19900032696U
申请日期
1990.03.30
申请人
发明人
分类号
B21D43/05;B21D43/10;(IPC1-7):B21D43/05
主分类号
B21D43/05
代理机构
代理人
主权项
地址
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