PORTABLE HEAT-MAINTAINING AND WARMING FOOD TRAY,申请号USD3622753-传众专利搜索

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发明名称	PORTABLE HEAT-MAINTAINING AND WARMING FOOD TRAY
摘要
申请公布号	US3622753(A)	申请公布日期	1971.11.23
申请号	USD3622753	申请日期	1970.08.14
申请人	RUTH F. LAX	发明人	RUTH F. LAX;FRANK KAHN
分类号	A47J39/02;(IPC1-7):H05B3/68	主分类号	A47J39/02
代理机构		代理人
主权项
地址

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