Automatic venting drum cap and valve assembly,申请号US19500158562-传众专利搜索

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发明名称	Automatic venting drum cap and valve assembly
摘要
申请公布号	US2661019(A)	申请公布日期	1953.12.01
申请号	US19500158562	申请日期	1950.04.27
申请人	THOMPSON PRODUCTS, INC.	发明人	SNYDER JACOB RUSH;SCHENKELBERGER FRANK J.
分类号	B65D47/24	主分类号	B65D47/24
代理机构		代理人
主权项
地址

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