Sequence controller for valves,申请号US19550503271-传众专利搜索

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发明名称	Sequence controller for valves
摘要
申请公布号	US2973782(A)	申请公布日期	1961.03.07
申请号	US19550503271	申请日期	1955.04.22
申请人	SPRAGUE DEVICES	发明人	SPRAGUE FRANK
分类号	B60S1/10	主分类号	B60S1/10
代理机构		代理人
主权项
地址

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