Portable transmission system,申请号US19390305145-传众专利搜索

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发明名称	Portable transmission system
摘要
申请公布号	US2206590(A)	申请公布日期	1940.07.02
申请号	US19390305145	申请日期	1939.11.18
申请人	WEBB JR EDWIN Y	发明人	JR. EDWIN Y. WEBB,
分类号	H04K1/04;H04M1/68	主分类号	H04K1/04
代理机构		代理人
主权项
地址

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