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发明名称
摘要
申请公布号
JPH01177029(U)
申请公布日期
1989.12.18
申请号
JP19880074404U
申请日期
1988.06.03
申请人
发明人
分类号
B21D43/05;B05B1/02;(IPC1-7):B21D43/05
主分类号
B21D43/05
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