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发明名称
摘要
申请公布号
JPS5555212(U)
申请公布日期
1980.04.14
申请号
JP19780140003U
申请日期
1978.10.12
申请人
发明人
分类号
B21C26/00;(IPC1-7):B21C26/00
主分类号
B21C26/00
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代理人
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地址
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