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发明名称
摘要
申请公布号
JPH0216283(U)
申请公布日期
1990.02.01
申请号
JP19880094555U
申请日期
1988.07.19
申请人
发明人
分类号
B21B27/00;B23K26/00;(IPC1-7):B23K26/00
主分类号
B21B27/00
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