METHOD AND APPARATUS FOR INCREASING AND INDICATING FILAMENT LIFE,申请号GB19670035878-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR INCREASING AND INDICATING FILAMENT LIFE
摘要
申请公布号	GB1203944(A)	申请公布日期	1970.09.03
申请号	GB19670035878	申请日期	1967.08.18
申请人	AMPEX CORPORATION	发明人
分类号	H01J9/42	主分类号	H01J9/42
代理机构		代理人
主权项
地址

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