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发明名称
SEEDLING TREE GROWING APPARATUS
摘要
申请公布号
CA1009843(A)
申请公布日期
1977.05.10
申请号
CA19750222882
申请日期
1975.03.24
申请人
BERGERON, DUNCAN G.;LEACH, RAY E.
发明人
BERGERON, DUNCAN G.;LEACH, RAY E.
分类号
主分类号
代理机构
代理人
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