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发明名称
Electric motor
摘要
申请公布号
US2227474(A)
申请公布日期
1941.01.07
申请号
US19390289667
申请日期
1939.08.11
申请人
DAWSON J. BURNS
发明人
WEATHERS LELAND C.
分类号
主分类号
代理机构
代理人
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地址
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