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发明名称
ETCHING SEMICONDUCTORS
摘要
申请公布号
IE34802(L)
申请公布日期
1971.06.16
申请号
IE19700001582
申请日期
1970.12.10
申请人
WESTERN ELECTRIC CO. INC.
发明人
分类号
C04B41/91;C25F3/12;H01L21/3063;(IPC1-7):H01L21/306
主分类号
C04B41/91
代理机构
代理人
主权项
地址
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