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发明名称
SOILLESS GROWING OF PLANTS
摘要
申请公布号
CA537968(A)
申请公布日期
1957.03.12
申请号
CAD537968
申请日期
申请人
ERIK TEGNER
发明人
ERIK TEGNER
分类号
主分类号
代理机构
代理人
主权项
地址
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