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发明名称
Dual valve for controlling liquid level
摘要
申请公布号
US2619108(A)
申请公布日期
1952.11.25
申请号
US19500144249
申请日期
1950.02.15
申请人
THE PARKER APPLIANCE COMPANY
发明人
JR. MORGAN L. SWEENEY,
分类号
G05D9/02
主分类号
G05D9/02
代理机构
代理人
主权项
地址
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