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发明名称
IMPURITY DIFFUSION SOURCE AND METHOD
摘要
申请公布号
US3476621(A)
申请公布日期
1969.11.04
申请号
USD3476621
申请日期
1967.03.13
申请人
BELL TELEPHONE LAB. INC.
发明人
FRANK L. GITTLER
分类号
C30B31/06;(IPC1-7):H01L7/44
主分类号
C30B31/06
代理机构
代理人
主权项
地址
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