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发明名称
Rope wick
摘要
A rope wick for selectively applying liquid chemicals to plants. The rope wick comprises an outer covering made of braided polyester yarn and an inner core made of spun acrylic yarn.
申请公布号
US4328640(A)
申请公布日期
1982.05.11
申请号
US19800203581
申请日期
1980.11.03
申请人
REVELLE, WILLIAM F.
发明人
REVELLE, WILLIAM F.
分类号
A01G27/04;A01M21/04;(IPC1-7):A01M21/00
主分类号
A01G27/04
代理机构
代理人
主权项
地址
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