Upwardly acting doors and roller spindle supports therefor,申请号US19570686396-传众专利搜索

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发明名称	Upwardly acting doors and roller spindle supports therefor
摘要
申请公布号	US2980182(A)	申请公布日期	1961.04.18
申请号	US19570686396	申请日期	1957.09.26
申请人	OVERHEAD DOOR CORPORATION	发明人	STROUP EARL L.
分类号	E05D15/16;E05D15/24	主分类号	E05D15/16
代理机构		代理人
主权项
地址

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