发明名称 Flared valve housing body
摘要 An improved valve device for self-service watering of animals which delivers water through a pivotal, control member which includes a flared housing permitting greater movement of the control member and results in improved trouble free operation.
申请公布号 US4258664(A) 申请公布日期 1981.03.31
申请号 US19790045017 申请日期 1979.06.04
申请人 ATCO MANUFACTURING CO., INC. 发明人 ATCHLEY, FRANK W.;VORBECK, DONALD W.
分类号 A01K7/06;(IPC1-7):A01K7/00 主分类号 A01K7/06
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