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发明名称
Drain through ball valve
摘要
申请公布号
US4846213(A)
申请公布日期
1989.07.11
申请号
US19880228385
申请日期
1988.08.04
申请人
FISHER CONTROLS INTERNATIONAL, INC.
发明人
HUTCHENS, WILBUR D.;BERRY, ROBERT F.;LEGER, KURT J.
分类号
F16K5/06;F16K5/10
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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