GAS TUBE SURGE (OVERLOAD) PROTECTION DEVICE,申请号USD3454811-传众专利搜索

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发明名称	GAS TUBE SURGE (OVERLOAD) PROTECTION DEVICE
摘要
申请公布号	US3454811(A)	申请公布日期	1969.07.08
申请号	USD3454811	申请日期	1967.04.18
申请人	BELL TELEPHONE LAB. INC.	发明人	FRANK G. SCUDNER JR.
分类号	H04M1/74;(IPC1-7):H01J17/16;H01J61/30;H01K1/28	主分类号	H04M1/74
代理机构		代理人
主权项
地址

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