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公开(公告)号：US2839743A
公开(公告)日：1958-06-17
申请号：US56734756
申请日：1956-02-23
Applicant: BURROUGHS CORP
Inventor： BAUMGARTNER WILLIAM H
IPC: H02H3/04
CPC classification number: H02H3/046
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公开(公告)号：US3281829A
公开(公告)日：1966-10-25
申请号：US33220163
申请日：1963-12-20
Applicant: BURROUGHS CORP
Inventor： BAUMGARTNER WILLIAM H
IPC: H01H1/60
CPC classification number: H01H1/605
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公开(公告)号：US2839709A
公开(公告)日：1958-06-17
申请号：US54313855
申请日：1955-10-27
Applicant: BURROUGHS CORP
Inventor： BAUMGARTNER WILLIAM H , WEISE RICHARD C
IPC: H03F1/54
CPC classification number: H03F1/54
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