Telephone desk secretary,申请号US19480016466-传众专利搜索

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发明名称	Telephone desk secretary
摘要
申请公布号	US2626479(A)	申请公布日期	1953.01.27
申请号	US19480016466	申请日期	1948.03.23
申请人	MARRITS MURRAY J	发明人	MARRITS MURRAY J.
分类号	H04M1/21	主分类号	H04M1/21
代理机构		代理人
主权项
地址

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