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发明名称
Electrically driven pendulum
摘要
申请公布号
US1910434(A)
申请公布日期
1933.05.23
申请号
US19290335310
申请日期
1929.01.26
申请人
HAYES HARVEY C
发明人
HAYES HARVEY C.
分类号
G04C3/02
主分类号
G04C3/02
代理机构
代理人
主权项
地址
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