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1.发明授权Process for making mixed fertilizers containing ammonium nitrate and calcium carbonate 失效制备含有硝酸铵和碳酸钙的混合肥料的方法
公开(公告)号：US2912318A
公开(公告)日：1959-11-10
申请号：US63442657
申请日：1957-01-16
Applicant: COMMERCIAL SOLVENTS CORP
Inventor： KIEWEG HOMER E
IPC: C05C1/00
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