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发明名称
摘要
申请公布号
JPS63145526(U)
申请公布日期
1988.09.26
申请号
JP19870036012U
申请日期
1987.03.13
申请人
发明人
分类号
B21D43/00;B21D43/12;B21D45/00;(IPC1-7):B21D43/00
主分类号
B21D43/00
代理机构
代理人
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