Dual valve for controlling liquid level,申请号US19500163919-传众专利搜索

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发明名称	Dual valve for controlling liquid level
摘要
申请公布号	US2774379(A)	申请公布日期	1956.12.18
申请号	US19500163919	申请日期	1950.05.24
申请人	THE PARKER APPLIANCE COMPANY	发明人	JR. MORGAN L. SWEENEY,
分类号	G05D9/04	主分类号	G05D9/04
代理机构		代理人
主权项
地址

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