Resilient control valve,申请号US19500196836-传众专利搜索

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发明名称	Resilient control valve
摘要
申请公布号	US2719020(A)	申请公布日期	1955.09.27
申请号	US19500196836	申请日期	1950.11.21
申请人	PILLAR JOHN E	发明人	PILLAR JOHN E.
分类号	F16K7/20	主分类号	F16K7/20
代理机构		代理人
主权项
地址

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