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公开(公告)号：US2854317A
公开(公告)日：1958-09-30
申请号：US59469956
申请日：1956-06-29
Applicant: MILES LAB
Inventor： FREE ALFRED H , FREE HELEN M
IPC: G01N33/72
CPC classification number: G01N33/728 , Y10S435/805 , Y10S436/903 , Y10T436/146666
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