DISPOSITIVO PARA ABERTURA DE VALAS,申请号BR19790008574-传众专利搜索

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发明名称	DISPOSITIVO PARA ABERTURA DE VALAS
摘要
申请公布号	BR7908574(A)	申请公布日期	1981.06.30
申请号	BR19790008574	申请日期	1979.12.27
申请人	BOURGELA R	发明人	ZUCCO L
分类号	A01B13/00;A01B13/16;E02B11/02;E02F3/18;E02F3/20;E02F3/24;E02F5/02;E02F5/08;E02F5/10;E02F5/14;E02F9/28;(IPC1-7):A01B11/00	主分类号	A01B13/00
代理机构		代理人
主权项
地址

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