Guard for elevator doors,申请号US19290365011-传众专利搜索

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发明名称	Guard for elevator doors
摘要
申请公布号	US1854936(A)	申请公布日期	1932.04.19
申请号	US19290365011	申请日期	1929.05.22
申请人	HUTCHINSON JR EDWARD	发明人	JR. EDWARD HUTCHINSON,
分类号	E06B9/06	主分类号	E06B9/06
代理机构		代理人
主权项
地址

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