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公开(公告)号：US3483990A
公开(公告)日：1969-12-16
申请号：US3483990D
申请日：1967-03-06
Applicant: BECKMAN INSTRUMENTS INC
Inventor： LITLE ROBERT L , STERNBERG JAMES C , DEURINGER RUDOLF
IPC: B01D63/00 , G01N33/487 , B01D13/00
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