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公开(公告)号：US2952358A
公开(公告)日：1960-09-13
申请号：US35366553
申请日：1953-05-07
Applicant: SASKATCHEWAN POTASH
Inventor： SCHOELD EDMUND A , MELVIN FRITSCHY JOHN
CPC classification number: C01D3/08 , B03D1/016 , B03D2201/007 , B03D2203/10
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公开(公告)号：US2934208A
公开(公告)日：1960-04-26
申请号：US71782158
申请日：1958-02-27
Applicant: SASKATCHEWAN POTASH
Inventor： SCHOELD EDMUND A , MELVIN FRITSCHY JOHN
IPC: B03D1/016
CPC classification number: B03D1/016 , B03D1/0046 , B03D1/01 , B03D2201/02 , B03D2203/10
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