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发明名称
Valve device
摘要
申请公布号
US2504006(A)
申请公布日期
1950.04.11
申请号
US19470772264
申请日期
1947.09.05
申请人
DAVIS CRAIG L
发明人
DAVIS CRAIG L.
分类号
F16K15/18
主分类号
F16K15/18
代理机构
代理人
主权项
地址
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