Primary cell vent and method of making,申请号US19460679117-传众专利搜索

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发明名称	Primary cell vent and method of making
摘要
申请公布号	US2478798(A)	申请公布日期	1949.08.09
申请号	US19460679117	申请日期	1946.06.25
申请人	SAMUEL RUBEN	发明人	JR. FRED D. WILLIAMS,
分类号	H01M2/12	主分类号	H01M2/12
代理机构		代理人
主权项
地址

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