Pressure retainer and releasing device,申请号US19400345399-传众专利搜索

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发明名称	Pressure retainer and releasing device
摘要
申请公布号	US2254557(A)	申请公布日期	1941.09.02
申请号	US19400345399	申请日期	1940.07.13
申请人	NATIONAL PRESSURE COOKER COMPANY	发明人	WITTENBERG EDWARD H.
分类号	A47J27/08;A47J27/09	主分类号	A47J27/08
代理机构		代理人
主权项
地址

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