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发明名称
Protection of plant roots from frost or - snow
摘要
Plant roots are protected from frost or snow by application of a finely ground mixture of copolymer, methylcellulose, CaCO3, polystyrene foam particles, and water, opt. with one or more fertilisers.
申请公布号
DE1800071(A1)
申请公布日期
1970.07.02
申请号
DE19681800071
申请日期
1968.10.01
申请人
FA. WICHMANN & KUEHN
发明人
LEWINSKI,EBERHARD VON
分类号
A01G7/06
主分类号
A01G7/06
代理机构
代理人
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