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发明名称
Plug valve
摘要
申请公布号
US2314759(A)
申请公布日期
1943.03.23
申请号
US19400359464
申请日期
1940.10.03
申请人
ROBERT BISCHOFF
发明人
BISCHOFF ROBERT
分类号
F16K5/16
主分类号
F16K5/16
代理机构
代理人
主权项
地址
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