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公开(公告)号:EP0637749B1
公开(公告)日:2002-10-23
申请号:EP94111934.9
申请日:1994-07-30
IPC分类号: G01N33/487 , G01N33/52 , G01N21/77 , G01N21/86 , G01N35/00
CPC分类号: G01N33/48764 , G01N21/253 , G01N35/00029 , G01N2035/00089 , G01N2035/00108 , Y10T436/110833 , Y10T436/112499