MAGNETIC REED SWITCHING MATRIX,申请号USD3448435-传众专利搜索

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发明名称	MAGNETIC REED SWITCHING MATRIX
摘要
申请公布号	US3448435(A)	申请公布日期	1969.06.03
申请号	USD3448435	申请日期	1966.06.17
申请人	BELL TELEPHONE LAB. INC.	发明人	ROGER A. BILLHARDT
分类号	H01H67/24;(IPC1-7):G11B5/00;H01F27/42;H04Q/	主分类号	H01H67/24
代理机构		代理人
主权项
地址

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