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公开(公告)号：DE4323251A1
公开(公告)日：1995-01-19
申请号：DE4323251
申请日：1993-07-12
Applicant: DEGUSSA
Inventor： OST KARL , SCHWARZ HELMUT , BARENSCHEE ERNST ROBERT DR
IPC: G01N31/00 , G01N27/416
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