VALVULA DE DESCARGA DIRECIONAL,申请号BR19830004510-传众专利搜索

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发明名称	VALVULA DE DESCARGA DIRECIONAL
摘要
申请公布号	BR8304510(A)	申请公布日期	1985.04.02
申请号	BR19830004510	申请日期	1983.08.22
申请人	ADILSON OLIMPIO DE AZEVEDO	发明人	ADILSON OLIMPIO DE AZEVEDO
分类号	E03D1/34;(IPC1-7):E03D1/34	主分类号	E03D1/34
代理机构		代理人
主权项
地址

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