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发明名称
Automatic control system
摘要
申请公布号
US2782258(A)
申请公布日期
1957.02.19
申请号
US19510262816
申请日期
1951.12.21
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
STALEMARK FRITZ RAGNAR VALDEMAR;LUNDVALL DAN BJORN HJALMAR
分类号
H04B3/10
主分类号
H04B3/10
代理机构
代理人
主权项
地址
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