Emergency lock for revolving doors,申请号US19390272458-传众专利搜索

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发明名称	Emergency lock for revolving doors
摘要
申请公布号	US2186385(A)	申请公布日期	1940.01.09
申请号	US19390272458	申请日期	1939.05.08
申请人	ANDREW LOCKART	发明人	LOCKART ANDREW
分类号	E06B3/90	主分类号	E06B3/90
代理机构		代理人
主权项
地址

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