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发明名称
摘要
申请公布号
JPS6320497(Y2)
申请公布日期
1988.06.07
申请号
JP19800000561U
申请日期
1980.01.08
申请人
发明人
分类号
B23D21/14;(IPC1-7):B23D21/14
主分类号
B23D21/14
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