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发明名称
Tapered plug valve
摘要
申请公布号
US3195856(A)
申请公布日期
1965.07.20
申请号
US19630262887
申请日期
1963.03.05
申请人
ARRISON FRANK C
发明人
ARRISON FRANK C.
分类号
F16K5/02;F16K5/16
主分类号
F16K5/02
代理机构
代理人
主权项
地址
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