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公开(公告)号:US2932008A
公开(公告)日:1960-04-05
申请号:US31589252
申请日:1952-10-15
Applicant: BURROUGHS CORP
Inventor: HOBERG GEORGE G
IPC: G11C7/00
CPC classification number: G11C7/00
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公开(公告)号:US2857552A
公开(公告)日:1958-10-21
申请号:US45554654
申请日:1954-09-13
Applicant: BURROUGHS CORP
Inventor: HOBERG GEORGE G
IPC: H03K29/00
CPC classification number: H03K29/00
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