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公开(公告)号：US2648431A
公开(公告)日：1953-08-11
申请号：US18243050
申请日：1950-08-30
Applicant: KASEVNIAK JOSEPH J
Inventor： KASEVNIAK JOSEPH J
IPC: B03D1/002
CPC classification number: B03D1/002 , B03D2201/007 , B03D2203/02 , B03D2203/04 , Y10S209/901
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