Annunciator system for hospitals,申请号US19560567761-传众专利搜索

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发明名称	Annunciator system for hospitals
摘要
申请公布号	US2910680(A)	申请公布日期	1959.10.27
申请号	US19560567761	申请日期	1956.02.27
申请人	MCLAIN GEORGE H	发明人	MCLAIN GEORGE H.
分类号	G08B5/36	主分类号	G08B5/36
代理机构		代理人
主权项
地址

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