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公开(公告)号：US3414355A
公开(公告)日：1968-12-03
申请号：US37390864
申请日：1964-06-10
Applicant: FISHER SCIENTIFIC CO
Inventor： FASTIE WILLIAM G , BREHM RICHARD K
IPC: G01J3/18
CPC classification number: G01J3/1804
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