Electrically controlled operating system for revolving doors,申请号US19400364568-传众专利搜索

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发明名称	Electrically controlled operating system for revolving doors
摘要
申请公布号	US2341545(A)	申请公布日期	1944.02.15
申请号	US19400364568	申请日期	1940.11.06
申请人	INTERNATIONAL STEEL COMPANY	发明人	HAGENBOOK THURLOE M.
分类号	E05F15/10	主分类号	E05F15/10
代理机构		代理人
主权项
地址

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