Valve closure for containers,申请号US19290412303-传众专利搜索

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发明名称	Valve closure for containers
摘要
申请公布号	US1836162(A)	申请公布日期	1931.12.15
申请号	US19290412303	申请日期	1929.12.07
申请人	GEORGE EDGAR R	发明人	GEORGE EDGAR R.
分类号	F16K1/30	主分类号	F16K1/30
代理机构		代理人
主权项
地址

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