Dispositivo para facilitar el cambio de aire de locales cerrados.,申请号ES19000000066U-传众专利搜索

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发明名称	Dispositivo para facilitar el cambio de aire de locales cerrados.
摘要
申请公布号	ES6600(U)	申请公布日期	1941.11.01
申请号	ES19000000066U	申请日期	1941.05.24
申请人	BOCCARA OTTOLENGUI, ARMANDO	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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