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发明名称
Electric power transmission with automatic efficiency regulation for vehicles
摘要
申请公布号
US1818877(A)
申请公布日期
1931.08.11
申请号
US19270178099
申请日期
1927.03.24
申请人
OTTO ZADNIK
发明人
ZADNIK OTTO
分类号
H02P9/00
主分类号
H02P9/00
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