Vent plug for oil drums,申请号US19460639971-传众专利搜索

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发明名称	Vent plug for oil drums
摘要
申请公布号	US2544613(A)	申请公布日期	1951.03.06
申请号	US19460639971	申请日期	1946.01.09
申请人	PURCELL PETER E	发明人	PURCELL PETER E.
分类号	B65D39/08;B65D51/16	主分类号	B65D39/08
代理机构		代理人
主权项
地址

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