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公开(公告)号:US3474024A
公开(公告)日:1969-10-21
申请号:US3474024D
申请日:1966-08-01
Applicant: BECKMAN INSTRUMENTS INC
Inventor: GORDON MANUEL J , OGLE DAVID G
CPC classification number: G09B23/183
公开(公告)号:US3474024A
公开(公告)日:1969-10-21
申请号:US3474024D
申请日:1966-08-01
Applicant: BECKMAN INSTRUMENTS INC
Inventor: GORDON MANUEL J , OGLE DAVID G
CPC classification number: G09B23/183