(B1) ;ARC CERAMIC TUBE OF LAMP FOR DISCHARGE OF METAL VAPOURS AND METHOD OF MAKING THE SAME,申请号PL19810229570-传众专利搜索

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发明名称	(B1) ;ARC CERAMIC TUBE OF LAMP FOR DISCHARGE OF METAL VAPOURS AND METHOD OF MAKING THE SAME
摘要
申请公布号	PL229570(A1)	申请公布日期	1981.11.13
申请号	PL19810229570	申请日期	1981.02.06
申请人	NGK INSULATORS LTD	发明人
分类号	H01J9/24;H01J61/30;(IPC1-7):C03B/;H05B/	主分类号	H01J9/24
代理机构		代理人
主权项
地址

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