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发明名称
Electrical control system
摘要
申请公布号
US2222173(A)
申请公布日期
1940.11.19
申请号
US19370137191
申请日期
1937.04.16
申请人
THOMAS A. EDISON, INCORPORATED
发明人
FRITZINGER GEORGE H.
分类号
H03G7/02;H03G7/04
主分类号
H03G7/02
代理机构
代理人
主权项
地址
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