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发明名称
Electrical apparatus
摘要
申请公布号
US1869640(A)
申请公布日期
1932.08.02
申请号
US19290389493
申请日期
1929.08.30
申请人
DELCOLIGHT COMPANY
发明人
WELLS WILLIAM C.;WENDT WESLEY E.
分类号
H02P9/00
主分类号
H02P9/00
代理机构
代理人
主权项
地址
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