Siphon breaker and valve,申请号US19400325931-传众专利搜索

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发明名称	Siphon breaker and valve
摘要
申请公布号	US2294785(A)	申请公布日期	1942.09.01
申请号	US19400325931	申请日期	1940.03.25
申请人	LANGDON JESSE D	发明人	LANGDON JESSE D.
分类号	F16K31/24	主分类号	F16K31/24
代理机构		代理人
主权项
地址

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