Automatic air pressure safety valve,申请号US19450625845-传众专利搜索

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发明名称	Automatic air pressure safety valve
摘要
申请公布号	US2601968(A)	申请公布日期	1952.07.01
申请号	US19450625845	申请日期	1945.10.31
申请人	DANIELSON JOHN A	发明人	DANIELSON JOHN A.
分类号	F16K17/28	主分类号	F16K17/28
代理机构		代理人
主权项
地址

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