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发明名称
Method of seedbed preparation
摘要
申请公布号
US3056668(A)
申请公布日期
1962.10.02
申请号
US19590794223
申请日期
1959.02.19
申请人
ANSUL CHEMICAL COMPANY
发明人
SPRAGUE MILTON A.
分类号
A01G7/00;A01N25/00
主分类号
A01G7/00
代理机构
代理人
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地址
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