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发明名称
摘要
申请公布号
JP2562505(B2)
申请公布日期
1996.12.11
申请号
JP19900025272
申请日期
1990.02.06
申请人
SHICHIZUN TOKEI KK;SUMITOMO TOKUSHU KINZOKU KK
发明人
HAGIWARA KATSUMI;TANAKA AKIHIRO;NAGASAWA KYOTO;NEMOTO ARATA;YAMAMOTO KAZUHIRO
分类号
B21D28/04;H01L23/50;(IPC1-7):B21D28/04
主分类号
B21D28/04
代理机构
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