SEMI-CONDUCTING MATERIAL,申请号CAD438055-传众专利搜索

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发明名称	SEMI-CONDUCTING MATERIAL
摘要
申请公布号	CA438055(A)	申请公布日期	1946.11.19
申请号	CAD438055	申请日期
申请人	CANADIAN WESTINGHOUSE COMPANY	发明人	HARRY H. BARKER
分类号		主分类号
代理机构		代理人
主权项
地址

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