发明名称 Perforated landscaping film with discretely applied weed control agent
摘要 A landscaping film, including a film sheet having a plurality of perforations defined therethough and discrete deposits of a weed control agent at locations on the film corresponding to the locations of the perforations.
申请公布号 US7825067(B1) 申请公布日期 2010.11.02
申请号 US20050029273 申请日期 2005.01.05
申请人 DALEN PRODUCTS, INC. 发明人 CALDWELL E. NEAL;NYTKO ROBERT
分类号 A01N25/34;A01G13/02;A01N25/08;A01N25/24 主分类号 A01N25/34
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