Pivot for overhead doors,申请号US19460652411-传众专利搜索

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发明名称	Pivot for overhead doors
摘要
申请公布号	US2564545(A)	申请公布日期	1951.08.14
申请号	US19460652411	申请日期	1946.03.06
申请人		发明人	ROCHFORD WILLIAM
分类号	E05D15/40	主分类号	E05D15/40
代理机构		代理人
主权项
地址

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