DISPOSITIVO DE ESTANQUEIDAD PERFECCIONADO.,申请号ES19540002246U-传众专利搜索

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发明名称	DISPOSITIVO DE ESTANQUEIDAD PERFECCIONADO.
摘要
申请公布号	ES224654(Y)	申请公布日期	1977.06.16
申请号	ES19540002246U	申请日期	1976.11.23
申请人		发明人
分类号	F16J;(IPC1-7):16J/	主分类号	F16J
代理机构		代理人
主权项
地址

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