DISPOSITIVO OBTURADOR PERFECCIONADO.,申请号ES19240002283U-传众专利搜索

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发明名称	DISPOSITIVO OBTURADOR PERFECCIONADO.
摘要
申请公布号	ES228324(Y)	申请公布日期	1977.11.16
申请号	ES19240002283U	申请日期	1977.05.05
申请人		发明人
分类号	E03C;(IPC1-7):03C/	主分类号	E03C
代理机构		代理人
主权项
地址

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