Electrical type-heating unit,申请号US19470743779-传众专利搜索

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发明名称	Electrical type-heating unit
摘要
申请公布号	US2476670(A)	申请公布日期	1949.07.19
申请号	US19470743779	申请日期	1947.04.25
申请人	LAMB WILMUR F	发明人	LAMB WILMUR F.
分类号	B41F19/06;H05B3/00	主分类号	B41F19/06
代理机构		代理人
主权项
地址

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