发明名称 Irrigation device and system
摘要 The present invention is directed to an irrigation device and irrigation system. More specifically, the present invention is directed to a weep or tear type irrigation device and irrigation system.
申请公布号 US6901698(B2) 申请公布日期 2005.06.07
申请号 US20020102872 申请日期 2002.03.22
申请人 MANNING HAROLD 发明人 MANNING HAROLD
分类号 A01G25/02;(IPC1-7):A01G29/00;A01G25/00 主分类号 A01G25/02
代理机构 代理人
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