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发明名称
Circuit controlling device
摘要
申请公布号
US1902744(A)
申请公布日期
1933.03.21
申请号
US19320592416
申请日期
1932.02.11
申请人
GEORGE D. THOMPSON
发明人
WILLI CHRISTOPHER B.
分类号
B60L1/00
主分类号
B60L1/00
代理机构
代理人
主权项
地址
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