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发明名称
Electromagnetic brake
摘要
申请公布号
US1954809(A)
申请公布日期
1934.04.17
申请号
US19320612514
申请日期
1932.05.20
申请人
FRASER ETHELBERT M
发明人
FRASER ETHELBERT M.
分类号
F16D63/00;F16D65/14
主分类号
F16D63/00
代理机构
代理人
主权项
地址
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