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公开(公告)号：US3419140A
公开(公告)日：1968-12-31
申请号：US54930866
申请日：1966-05-11
Applicant: BASIC INC
Inventor： BOOK JEPSEN TAGE LOUMANN
CPC classification number: B03D1/06 , B03D1/002 , B03D1/006 , B03D1/01 , B03D2201/007 , B03D2201/02 , B03D2203/04
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