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经营范围
发明名称
Bi-directional incremental motion stepper motor
摘要
申请公布号
US2881621(A)
申请公布日期
1959.04.14
申请号
US19550529858
申请日期
1955.08.22
申请人
NORTHROP AIRCRAFT, INC.
发明人
PRENDERGAST FRANK L.;KRASNEY NORMAN
分类号
F16H25/12
主分类号
F16H25/12
代理机构
代理人
主权项
地址
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