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公开(公告)号：US2395639A
公开(公告)日：1946-02-26
申请号：US48379243
申请日：1943-04-20
Applicant: PETROLITE CORP
Inventor： MONSON LOUIS T , CUTLER SHEPARD ORSON
IPC: B03D1/004
CPC classification number: B03D1/012 , B03D1/006 , B03D1/008 , B03D2201/02 , B03D2203/02
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