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发明名称
Protective systems for time recorder motors
摘要
申请公布号
US2731524(A)
申请公布日期
1956.01.17
申请号
US19520275104
申请日期
1952.03.06
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
MILES JOSEPH W.
分类号
主分类号
代理机构
代理人
主权项
地址
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