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公开(公告)号：US2937751A
公开(公告)日：1960-05-24
申请号：US58664956
申请日：1956-05-23
Applicant: SASKATCHEWAN POTASH
Inventor： SCHOELD EDMUND A , FRITSCHY JOHN M , NABORS JACK D
IPC: B03D1/01
CPC classification number: B03D1/01 , B03D2201/02 , B03D2203/04
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