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发明名称
Process for reduction of phosphate rock
摘要
申请公布号
US1861236(A)
申请公布日期
1932.05.31
申请号
US19280276840
申请日期
1928.05.11
申请人
DOHERTY RESEARCH COMPANY
发明人
MORGAN JOHN D.
分类号
C01B25/02
主分类号
C01B25/02
代理机构
代理人
主权项
地址
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