-
公开(公告)号:CA873041A
公开(公告)日:1971-06-08
申请号:CA873041D
Applicant: IBM
Inventor: YEH TSU-HSING , GHOSH HITENDRA N , JOSHI MADHUKAR L
-
公开(公告)号:CA906679A
公开(公告)日:1972-08-01
申请号:CA906679D
Applicant: IBM
Inventor: GHOSH HITENDRA N , WAJDA EDWARD S
-