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经营范围
发明名称
Apparatus for electrical control
摘要
申请公布号
US2030202(A)
申请公布日期
1936.02.11
申请号
US19310578946
申请日期
1931.12.04
申请人
THE SAFETY CAR HEATING & LIGHTING COMPANY
发明人
JR. FRANK W. GODSEY,
分类号
H02P9/20
主分类号
H02P9/20
代理机构
代理人
主权项
地址
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