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发明名称
Magnetic transmission or clutch
摘要
申请公布号
US2303638(A)
申请公布日期
1942.12.01
申请号
US19410407338
申请日期
1941.08.18
申请人
HELIN CHARLES J
发明人
HELIN CHARLES J.
分类号
H02K49/02
主分类号
H02K49/02
代理机构
代理人
主权项
地址
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