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发明名称
摘要
申请公布号
JPS6110834(Y2)
申请公布日期
1986.04.07
申请号
JP19790175473U
申请日期
1979.12.20
申请人
发明人
分类号
B21D43/00;B21B15/00;B21B39/14;B22D11/126;B22D11/16;B23D19/00;(IPC1-7):B22D11/126
主分类号
B21D43/00
代理机构
代理人
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地址
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