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经营范围
发明名称
Improvements in digestion of phosphate rock
摘要
申请公布号
GB727770(A)
申请公布日期
1955.04.06
申请号
GB19530010771
申请日期
1953.04.20
申请人
PAUL CALDWELL;JOSEPH CHARLES ABELES;JACK BOWMAN NICKEL;CHARLES EARL GETTINGER;SMITH DOUGLASS COMPANY
发明人
分类号
C05B11/06
主分类号
C05B11/06
代理机构
代理人
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地址
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