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经营范围
发明名称
Electrical regulator
摘要
申请公布号
US2463389(A)
申请公布日期
1949.03.01
申请号
US19440531973
申请日期
1944.04.20
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
JACOBI ERNST JONAS
分类号
G05B1/04
主分类号
G05B1/04
代理机构
代理人
主权项
地址
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