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公开(公告)号：US1402099A
公开(公告)日：1922-01-03
申请号：US14449217
申请日：1917-01-25
Applicant: SHIMMIN JOHN T , BUSHNELL CLYDE E
Inventor： SHIMMIN JOHN T , BUSHNELL CLYDE E
IPC: B03D1/16
CPC classification number: B03D1/16 , B01D21/26 , B03D1/1406 , B03D1/1475 , B03D1/245
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