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发明名称
Synchronism indicating means
摘要
申请公布号
US1885078(A)
申请公布日期
1932.10.25
申请号
US19270207785
申请日期
1927.07.22
申请人
GENERAL ELECTRIC COMPANY
发明人
CARTER EMMETT F.
分类号
H02J3/42
主分类号
H02J3/42
代理机构
代理人
主权项
地址
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