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公开(公告)号：US2847282A
公开(公告)日：1958-08-12
申请号：US46821654
申请日：1954-11-12
Applicant: INT BASIC ECONOMY CORP
Inventor： DUNNING JOHN W , MOSES JR ALEXANDER K , MATTHEWS LYMAN E
IPC: B01D11/02 , C01B17/033 , C11B1/10 , C13B10/10
CPC classification number: C13B10/10 , B01D11/0226 , C01B17/033 , C11B1/102
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