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经营范围
发明名称
Process for preparing phosphatic fertilizing materials
摘要
申请公布号
GB357508(A)
申请公布日期
1931.09.07
申请号
GB19300010975
申请日期
1930.04.07
申请人
G. OBER & SONS COMPANY
发明人
分类号
C05B1/02
主分类号
C05B1/02
代理机构
代理人
主权项
地址
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