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发明名称
摘要
申请公布号
JPH0480695(U)
申请公布日期
1992.07.14
申请号
JP19900121940U
申请日期
1990.11.20
申请人
发明人
分类号
B21D28/36;B30B15/00;(IPC1-7):B30B15/00
主分类号
B21D28/36
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