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发明名称
Valve device
摘要
申请公布号
US2278421(A)
申请公布日期
1942.04.07
申请号
US19390283426
申请日期
1939.07.08
申请人
THE DOLE VALVE COMPANY
发明人
BROWN CLYDE A.
分类号
G05D23/08
主分类号
G05D23/08
代理机构
代理人
主权项
地址
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