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公开(公告)号：US3176576A
公开(公告)日：1965-04-06
申请号：US11664161
申请日：1961-05-22
Applicant: BECKMAN INSTRUMENTS INC
Inventor： SUNDSTROM KARL E , KAYE WILBUR L , MATTHEWS KENNETH V
IPC: G01J3/42
CPC classification number: G01J3/42
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