Closure for collapsible tubes which is opened by pressure of contents,申请号US19520298220-传众专利搜索

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发明名称	Closure for collapsible tubes which is opened by pressure of contents
摘要
申请公布号	US2696333(A)	申请公布日期	1954.12.07
申请号	US19520298220	申请日期	1952.07.11
申请人	SMALE FREDERIC E	发明人	SMALE FREDERIC E.
分类号	B65D47/20	主分类号	B65D47/20
代理机构		代理人
主权项
地址

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