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1.Method of producing iron-free potash alum from solutions containing ferric sulphate 失效
Title translation: 从含硫酸铁的溶液中生产无铁钾铝的方法公开(公告)号:US1732611A
公开(公告)日:1929-10-22
申请号:US19869327
申请日:1927-06-13
Applicant: ELECTRO COMPANY
Inventor: MOXHAM ARTHUR J
IPC: C01F7/76
CPC classification number: C01F7/762
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公开(公告)号:US1538840A
公开(公告)日:1925-05-19
申请号:US74993624
申请日:1924-11-14
Applicant: ELECTRO COMPANY
Inventor: MOXHAM ARTHUR J
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公开(公告)号:US1748989A
公开(公告)日:1930-03-04
申请号:US75216424
申请日:1924-11-25
Applicant: ELECTRO COMPANY
Inventor: MOXHAM ARTHUR J
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