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公开(公告)号：US2757796A
公开(公告)日：1956-08-07
申请号：US35687853
申请日：1953-05-22
Applicant: SASKATCHEWAN POTASH
Inventor： SCHOELD EDMUND A , MELVIN FRITSCHY J , NELSON ROGER R
IPC: B03D1/01
CPC classification number: B03D1/01 , B03D1/002 , B03D2203/10
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