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公开(公告)号：US3496283A
公开(公告)日：1970-02-17
申请号：US3496283D
申请日：1968-06-25
Applicant: BECKMAN INSTRUMENTS INC
Inventor： ANDRASFAY ANTHONY L
CPC classification number: H05K3/3405 , H05K2201/09181 , H05K2201/1034
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