Improvements in the manufacture of mirrors,申请号GB19480020882-传众专利搜索

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发明名称	Improvements in the manufacture of mirrors
摘要
申请公布号	GB668281(A)	申请公布日期	1952.03.12
申请号	GB19480020882	申请日期	1948.08.06
申请人	FRANK G. O'BRIEN LIMITED	发明人
分类号	C03C17/06	主分类号	C03C17/06
代理机构		代理人
主权项
地址

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