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经营范围
发明名称
Treatment of phosphatic material
摘要
申请公布号
US1888919(A)
申请公布日期
1932.11.22
申请号
US19300433185
申请日期
1930.03.04
申请人
CORONET PHOSPHATE COMPANY
发明人
GOOCH STAPLETON D.
分类号
C05B13/02
主分类号
C05B13/02
代理机构
代理人
主权项
地址
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