VALLA QUEBRADA PROTECTORA PARA CARRETERAS Y SIMILARES.,申请号ES19690146842U-传众专利搜索

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发明名称	VALLA QUEBRADA PROTECTORA PARA CARRETERAS Y SIMILARES.
摘要
申请公布号	ES146842(Y)	申请公布日期	1970.03.01
申请号	ES19690146842U	申请日期	1969.03.22
申请人	DONCEL LOPEZ	发明人
分类号	E01F	主分类号	E01F
代理机构		代理人
主权项
地址

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