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公开(公告)号:CA578552A
公开(公告)日:1959-06-30
申请号:CA578552D
Applicant: BECKMAN INSTRUMENTS INC
Inventor: SUNDSTROM KARL E , AKERMAN KARL A L
公开(公告)号:CA578552A
公开(公告)日:1959-06-30
申请号:CA578552D
Applicant: BECKMAN INSTRUMENTS INC
Inventor: SUNDSTROM KARL E , AKERMAN KARL A L