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公开(公告)号：US3413652A
公开(公告)日：1968-11-26
申请号：US62371367
申请日：1967-03-16
Applicant: BAYER AG
Inventor： JOSEF VOGEL , GUNTER ARNOLD , BERNHARD VINZELBERG , PETER FISCHER , OTTO KOCH , HELMUT WALZ
IPC: G01J3/42
CPC classification number: G01J3/42
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