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公开(公告)号:US3175486A
公开(公告)日:1965-03-30
申请号:US10752961
申请日:1961-05-03
Applicant: IBM
Inventor: ATHENS ARTHUR S , NELSON ROLAND D
IPC: B41J9/10
CPC classification number: B41J9/10
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2.Means to prevent excessive frictional loading in a wire printer 失效
Title translation: 防止在线打印机中过度摩擦负载的装置公开(公告)号:US3302562A
公开(公告)日:1967-02-07
申请号:US37861664
申请日:1964-06-29
Applicant: IBM
Inventor: NELSON ROLAND D
IPC: B41J2/265
CPC classification number: B41J2/265
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公开(公告)号:US3155033A
公开(公告)日:1964-11-03
申请号:US11320161
申请日:1961-05-29
Applicant: IBM
Inventor: NELSON ROLAND D , REX DONALD K
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