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公开(公告)号：CA875762A
公开(公告)日：1971-07-13
申请号：CA875762D
Applicant: IBM
Inventor： SEEBER ROBERT R , PRICER WILBUR D , LINDQUIST ARWIN B
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公开(公告)号：CA829511A
公开(公告)日：1969-12-09
申请号：CA829511D
Applicant: IBM
Inventor： SEEBER ROBERT R , LINDQUIST ARWIN B
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