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发明名称
Improvements relating to fertilizers
摘要
申请公布号
GB1097315(A)
申请公布日期
1968.01.03
申请号
GB19650013485
申请日期
1965.03.30
申请人
W. R. GRACE & CO.
发明人
分类号
C01B25/28;C01B25/40;C04B28/02;C05B7/00
主分类号
C01B25/28
代理机构
代理人
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