Una nueva arandela de seguridad,申请号ES19660000581U-传众专利搜索

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发明名称	Una nueva arandela de seguridad
摘要
申请公布号	ES58166(U)	申请公布日期	1957.02.16
申请号	ES19660000581U	申请日期	1957.01.19
申请人	BOADAS MORELL, SALVADOR	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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