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发明名称
Constant-impedance alternating current relay motor-devices
摘要
申请公布号
US2942163(A)
申请公布日期
1960.06.21
申请号
US19580709131
申请日期
1958.01.15
申请人
MONTFORD MORRISON
发明人
MORRISON MONTFORD
分类号
H01H51/32
主分类号
H01H51/32
代理机构
代理人
主权项
地址
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