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经营范围
发明名称
Improvements in or relating to dry rectifiers
摘要
申请公布号
GB716742(A)
申请公布日期
1954.10.13
申请号
GB19520013456
申请日期
1952.05.27
申请人
SIEMENS-SCHUCKERTWERKE, A.G.
发明人
分类号
H01L21/06;H01L21/145
主分类号
H01L21/06
代理机构
代理人
主权项
地址
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