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发明名称
Lack.
摘要
申请公布号
CH254390(A)
申请公布日期
1948.04.30
申请号
CHD254390
申请日期
1946.02.06
申请人
STANDARD TELEPHON UND RADIO AG.
发明人
AG. STANDARD TELEPHON UND RADIO
分类号
H01L21/145
主分类号
H01L21/145
代理机构
代理人
主权项
地址
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