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发明名称
摘要
申请公布号
JPH0639319(U)
申请公布日期
1994.05.24
申请号
JP19920082747U
申请日期
1992.11.04
申请人
发明人
分类号
B21D28/24;B23D33/08;(IPC1-7):B23D33/08
主分类号
B21D28/24
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