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1.发明授权
公开(公告)号：US2018830A
公开(公告)日：1935-10-29
申请号：US67889933
申请日：1933-07-03
Applicant: SCINTILLA SA
Inventor： JAKOB BOHLI
IPC: H02K21/12
CPC classification number: H02K21/125 , H02K2201/12
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