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发明名称
Preparations for the control of weeds
摘要
申请公布号
GB690418(A)
申请公布日期
1953.04.22
申请号
GB19480021807
申请日期
1949.09.16
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
BLACKMAN GEOFFREY EMETT
分类号
主分类号
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代理人
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