APERFEICOAMENTOS EM VENTILADOR DE TETO,申请号BR19770007749-传众专利搜索

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发明名称	APERFEICOAMENTOS EM VENTILADOR DE TETO
摘要
申请公布号	BR7707749(A)	申请公布日期	1978.05.16
申请号	BR19770007749	申请日期	1977.11.22
申请人	VENTILADORES EXAUSTORES SILMAR LTD	发明人	SILVA J
分类号	F04D19/00;(IPC1-7):F04D19/00	主分类号	F04D19/00
代理机构		代理人
主权项
地址

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