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发明名称
摘要
申请公布号
FI47234(B)
申请公布日期
1973.07.02
申请号
FI19690001181
申请日期
1969.04.22
申请人
ALLMAENNA SVENSKA ELEKTRISKA AKTIEBOLAGET,VAESTERAS (SW)
发明人
GUNNAR MELLGREN,VAESTERAS;PER-AKE BYLUND,VAESTERAS (SW)
分类号
H01L23/473;H01L25/03;(IPC1-7):H01L1/12
主分类号
H01L23/473
代理机构
代理人
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地址
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