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经营范围
发明名称
Improved manufacture of ammonium magnesium phosphatic fertilizers
摘要
申请公布号
GB379433(A)
申请公布日期
1932.09.01
申请号
GB19310017581
申请日期
1931.06.17
申请人
EDOUARD URBAIN
发明人
分类号
C05B7/00
主分类号
C05B7/00
代理机构
代理人
主权项
地址
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