PERFURADOR,申请号BR19830003831-传众专利搜索

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发明名称	PERFURADOR
摘要
申请公布号	BR8303831(A)	申请公布日期	1985.02.26
申请号	BR19830003831	申请日期	1983.07.18
申请人	ELIS DE SOUZA LALAU	发明人	ELIS DE SOUZA LALAU
分类号	E21D1/03;(IPC1-7):E21D1/03	主分类号	E21D1/03
代理机构		代理人
主权项
地址

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