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发明名称
Treatment of plant roots
摘要
申请公布号
US2235950(A)
申请公布日期
1941.03.25
申请号
US19400317589
申请日期
1940.02.06
申请人
ST JOHN HOWARD K
发明人
JOHN HOWARD K. ST.
分类号
A01N25/00
主分类号
A01N25/00
代理机构
代理人
主权项
地址
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