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发明名称
Improvements in or relating to electrical step-by-step moton
摘要
申请公布号
GB769872(A)
申请公布日期
1957.03.13
申请号
GB19550017543
申请日期
1955.06.17
申请人
NORTHROP AIRCRAFT, INC.
发明人
分类号
F16H25/12;H02K7/065
主分类号
F16H25/12
代理机构
代理人
主权项
地址
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