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发明名称
Waterproof winding element
摘要
申请公布号
US2428816(A)
申请公布日期
1947.10.14
申请号
US19430485020
申请日期
1943.04.29
申请人
SIGMUND CORPORATION
发明人
SIGMUND FRANK J.;HLAVIN WILLIAM S.
分类号
H02K3/44
主分类号
H02K3/44
代理机构
代理人
主权项
地址
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