RAISING AND LOWERING APPARATUS FOR ELECTRIC LIGHTING FIXTURES,申请号CAD448094-传众专利搜索

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发明名称	RAISING AND LOWERING APPARATUS FOR ELECTRIC LIGHTING FIXTURES
摘要
申请公布号	CA448094(A)	申请公布日期	1948.04.27
申请号	CAD448094	申请日期
申请人	WESLEY WILSON	发明人	WESLEY WILSON
分类号		主分类号
代理机构		代理人
主权项
地址

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