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1.发明授权Method of precipitating calcium sulfate from an acidulated phosphate rock slurry 失效从酸化磷酸盐岩浆中预处理硫酸钙的方法
公开(公告)号：US3429686A
公开(公告)日：1969-02-25
申请号：US3429686D
申请日：1964-10-13
Applicant: STAMICARBON
Inventor： DINGEMANS SIMON , SLOT WILLEM
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