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公开(公告)号:US2119113A
公开(公告)日:1938-05-31
申请号:US69966633
申请日:1933-11-25
Applicant: PRODUCTS PROT CORP
Inventor: OLVING BROR G
IPC: H01G4/00
CPC classification number: H01G4/00
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公开(公告)号:US2001432A
公开(公告)日:1935-05-14
申请号:US66037933
申请日:1933-03-11
Applicant: PRODUCTS PROT CORP
Inventor: OLVING BROR G
CPC classification number: H01H31/127 , H01H85/32
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公开(公告)号:US2107423A
公开(公告)日:1938-02-08
申请号:US66008233
申请日:1933-03-09
Applicant: PRODUCTS PROT CORP
Inventor: OLVING BROR G
IPC: H01G4/38
CPC classification number: H01G4/385
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公开(公告)号:US2039340A
公开(公告)日:1936-05-05
申请号:US66484433
申请日:1933-04-07
Applicant: PRODUCTS PROT CORP
Inventor: OLVING BROR G
IPC: H01G4/38
CPC classification number: H01G4/38
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