MATERIAL FOR PROTECTING METALS FROM TARNISH,申请号CAD491890-传众专利搜索

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发明名称	MATERIAL FOR PROTECTING METALS FROM TARNISH
摘要
申请公布号	CA491890(A)	申请公布日期	1953.04.07
申请号	CAD491890	申请日期
申请人	NASHUA CORPORATION	发明人	ROBERT H. PREW
分类号		主分类号
代理机构		代理人
主权项
地址

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