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经营范围
发明名称
DEBURRING OF BOTTOM FACE INSIDE PACKAGE
摘要
申请公布号
JPS644030(A)
申请公布日期
1989.01.09
申请号
JP19870159124
申请日期
1987.06.25
申请人
SONY CORP
发明人
TSUKIKI KAZUNORI
分类号
H01L21/56
主分类号
H01L21/56
代理机构
代理人
主权项
地址
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