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摘要
申请公布号
JPS58175846(U)
申请公布日期
1983.11.24
申请号
JP19830041312U
申请日期
1983.03.24
申请人
发明人
分类号
B21K1/30;B21J5/12;B21K1/00;B21K5/02;B21K17/00;(IPC1-7):B21K1/30
主分类号
B21K1/30
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代理人
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