SIGN OR DISPLAY DEVICE FOR UPWARDLY ACTING DOORS,申请号CAD499732-传众专利搜索

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发明名称	SIGN OR DISPLAY DEVICE FOR UPWARDLY ACTING DOORS
摘要
申请公布号	CA499732(A)	申请公布日期	1954.02.02
申请号	CAD499732	申请日期
申请人	OVERHEAD DOOR CORPORATION	发明人	WILLIAM B. ROSENBAUM
分类号		主分类号
代理机构		代理人
主权项
地址

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