Permeability tuning system,申请号US19510238981-传众专利搜索

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发明名称	Permeability tuning system
摘要
申请公布号	US2727147(A)	申请公布日期	1955.12.13
申请号	US19510238981	申请日期	1951.07.27
申请人	CORNING GLASS WORKS	发明人	CRAUMER HENRY S.
分类号	H01F21/06	主分类号	H01F21/06
代理机构		代理人
主权项
地址

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