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公开(公告)号：US3332228A
公开(公告)日：1967-07-25
申请号：US46711665
申请日：1965-06-25
Applicant: CHEVRON RES
Inventor： LEONARD CHILL
CPC classification number: D07B1/02 , D01D5/423 , D02G3/06 , D07B2201/2003 , D10B2321/022 , Y10S57/907 , Y10S264/16 , Y10S264/47
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