Improvements in or relating to methods of sealing silver-plated ferrochromium discs in glass in a vacuum-tight manner and electric discharge tubes provided with such seals,申请号GB19570021714-传众专利搜索

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发明名称	Improvements in or relating to methods of sealing silver-plated ferrochromium discs in glass in a vacuum-tight manner and electric discharge tubes provided with such seals
摘要
申请公布号	GB820248(A)	申请公布日期	1959.09.16
申请号	GB19570021714	申请日期	1957.07.09
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	C03C27/04	主分类号	C03C27/04
代理机构		代理人
主权项
地址

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