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公开(公告)号：US3092477A
公开(公告)日：1963-06-04
申请号：US74940758
申请日：1958-07-18
Applicant: PER-OSKAR PERSSON
Inventor： PER-OSKAR PERSSON
CPC classification number: F24F3/1423 , F24F5/00 , F24F2003/1464 , F24F2203/1004 , F24F2203/1032 , F24F2203/104 , F24F2203/1048 , F24F2203/106 , F24F2203/1068 , F24F2203/1084 , F24F2203/1096
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