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发明名称
Lubricated valve cutoff
摘要
申请公布号
US2699798(A)
申请公布日期
1955.01.18
申请号
US19500194680
申请日期
1950.11.08
申请人
W-K-M MANUFACTURING COMPANY, INC.
发明人
JR. WILLIAM M. HAWKINS,
分类号
F16K5/22
主分类号
F16K5/22
代理机构
代理人
主权项
地址
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