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公开(公告)号:US3541396A
公开(公告)日:1970-11-17
申请号:US3541396D
申请日:1969-01-16
Applicant: IBM
Inventor: CARDWELL WILLIAM R , JOHNSON LLOYD E , LOWRY DENIS E , O'BRIAN PAUL L , SHATTUCK DAVID C
CPC classification number: H05K7/1461
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公开(公告)号:US3513938A
公开(公告)日:1970-05-26
申请号:US3513938D
申请日:1969-06-02
Applicant: IBM
Inventor: BUEHNER WILLIAM L , GREER DONALD L , MCCORNACK RICHARD W , O'BRIAN PAUL L , SIMPSON HENRY W
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