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公开(公告)号：US5405685B1
公开(公告)日：1998-09-15
申请号：US24527394
申请日：1994-05-18
Applicant: SCAPA GROUP PLC
Inventor： PATEL SANJAY R
CPC classification number: D03D15/12 , D21F1/0027 , Y10S162/90 , Y10T442/56 , Y10T442/696
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