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发明名称
摘要
申请公布号
JPS4727757(U)
申请公布日期
1972.11.29
申请号
JP19710029915U
申请日期
1971.04.16
申请人
发明人
分类号
H01L21/301;B28B1/24;(IPC1-7):B28B1/24
主分类号
H01L21/301
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代理人
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