Semiconductor switching device,申请号US19540473624-传众专利搜索

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发明名称	Semiconductor switching device
摘要
申请公布号	US2935623(A)	申请公布日期	1960.05.03
申请号	US19540473624	申请日期	1954.12.07
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	VAN ADRIANUS JOHANNES WILHELMUS MARIE;WILLEMS EBERTUS;LOTTUM JOHANNES THEODORUS ANTONIUS VAN
分类号	H03K17/68	主分类号	H03K17/68
代理机构		代理人
主权项
地址

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