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发明名称
Electrical registering and position indicator
摘要
申请公布号
US2402396(A)
申请公布日期
1946.06.18
申请号
US19430483950
申请日期
1943.04.21
申请人
HAGNER FREDERICK H
发明人
HAGNER FREDERICK H.
分类号
B64D45/00
主分类号
B64D45/00
代理机构
代理人
主权项
地址
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