-
公开(公告)号:US3541524A
公开(公告)日:1970-11-17
申请号:US3541524D
申请日:1968-03-14
Applicant: IBM
Inventor: BLASBALG HERMAN L , ANTONIO RENATO A D , NAJJAR HANN F
CPC classification number: H04J3/07
公开(公告)号:US3541524A
公开(公告)日:1970-11-17
申请号:US3541524D
申请日:1968-03-14
Applicant: IBM
Inventor: BLASBALG HERMAN L , ANTONIO RENATO A D , NAJJAR HANN F
CPC classification number: H04J3/07