DISPOSITIVO AUXILIAR DE ESNINO APERFEICOADO,申请号BR19690008416-传众专利搜索

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发明名称	DISPOSITIVO AUXILIAR DE ESNINO APERFEICOADO
摘要
申请公布号	BR6908416(D0)	申请公布日期	1973.01.18
申请号	BR19690008416	申请日期	1969.04.29
申请人	KNACK J	发明人	KNACK J
分类号	G09B23/30	主分类号	G09B23/30
代理机构		代理人
主权项
地址

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