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发明名称
Impulse-responsive stepping device actuated by magnetic torque
摘要
申请公布号
US2640895(A)
申请公布日期
1953.06.02
申请号
US19470781816
申请日期
1947.10.24
申请人
BOSWAU HANS P
发明人
BOSWAU HANS P.
分类号
G08B5/30;H01H51/08
主分类号
G08B5/30
代理机构
代理人
主权项
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