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发明名称
摘要
申请公布号
JPS56165058(U)
申请公布日期
1981.12.07
申请号
JP19800064526U
申请日期
1980.05.13
申请人
发明人
分类号
B21B43/00;B21B45/00;B21B45/02;C21D1/00;C21D9/52;(IPC1-7):C21D1/00
主分类号
B21B43/00
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