Vent valve for gas and/or liquid storage tanks,申请号US19390300713-传众专利搜索

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发明名称	Vent valve for gas and/or liquid storage tanks
摘要
申请公布号	US2295767(A)	申请公布日期	1942.09.15
申请号	US19390300713	申请日期	1939.10.23
申请人	WIGGINS JOHN H	发明人	WIGGINS JOHN H.
分类号	F16K17/19	主分类号	F16K17/19
代理机构		代理人
主权项
地址

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