LINE SWITCHING DEVICE,申请号CAD484350-传众专利搜索

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发明名称	LINE SWITCHING DEVICE
摘要
申请公布号	CA484350(A)	申请公布日期	1952.06.24
申请号	CAD484350	申请日期
申请人	W. N. MATTHEWS CORPORATION	发明人	JOHN A. POLLOCK;JOHN L. TURNER
分类号		主分类号
代理机构		代理人
主权项
地址

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