PERFECCIONAMIENTOS EN VALVULAS QUE ACTUAN POR PESO O GRAVE-DAD.,申请号ES19770003455-传众专利搜索

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发明名称	PERFECCIONAMIENTOS EN VALVULAS QUE ACTUAN POR PESO O GRAVE-DAD.
摘要
申请公布号	ES345577(A2)	申请公布日期	1968.11.16
申请号	ES19770003455	申请日期	1967.09.29
申请人	BRA, S. A.	发明人
分类号	F16K;(IPC1-7):F16K/	主分类号	F16K
代理机构		代理人
主权项
地址

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