发明名称 Conifer tree sapling protection device for guarding against insects, comprises tube with root anchor at bottom end
摘要 The protection device comprises a tubular top part (2) for placing above ground, and a bottom part (3) acting as an extension of the top part. The bottom part includes downwards facing legs (4-6) and ends with inward-pointing sections (7, 8) that secure the device to the sapling roots.
申请公布号 SE518676(C2) 申请公布日期 2002.11.05
申请号 SE19990000930 申请日期 1999.03.15
申请人 HELAST BIO AB 发明人 TOMMY ASTERHED;KJELL HELLQVIST
分类号 A01G;A01G13/10;(IPC1-7):A01G13/10 主分类号 A01G
代理机构 代理人
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