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发明名称
Variable speed drive apparatus
摘要
申请公布号
US2359866(A)
申请公布日期
1944.10.10
申请号
US19420435437
申请日期
1942.03.19
申请人
LINK AVIATION DEVICES, INC.
发明人
LOWKRANTZ GUNNE
分类号
G09B9/24
主分类号
G09B9/24
代理机构
代理人
主权项
地址
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