Center lock for counterbalanced elevator doors,申请号US19240755445-传众专利搜索

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发明名称	Center lock for counterbalanced elevator doors
摘要
申请公布号	US1753664(A)	申请公布日期	1930.04.08
申请号	US19240755445	申请日期	1924.12.12
申请人	THE PEELLE COMPANY	发明人	PEELLE CHARLES W.
分类号	E05B65/00	主分类号	E05B65/00
代理机构		代理人
主权项
地址

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