Potential distributing block,申请号US19300469129-传众专利搜索

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发明名称	Potential distributing block
摘要
申请公布号	US1817737(A)	申请公布日期	1931.08.04
申请号	US19300469129	申请日期	1930.07.19
申请人	THE WESTERN UNION TELEGRAPH COMPANY	发明人	DEMONET EUGENE A.;COPENHAVER PRESTON S.
分类号	H04L12/10	主分类号	H04L12/10
代理机构		代理人
主权项
地址

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