VALVULA DE APERTURA ESCALONADA.,申请号ES19700159899U-传众专利搜索

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发明名称	VALVULA DE APERTURA ESCALONADA.
摘要
申请公布号	ES159899(Y)	申请公布日期	1971.05.16
申请号	ES19700159899U	申请日期	1970.06.18
申请人	MARTINEZ DANIEL	发明人
分类号	F16K	主分类号	F16K
代理机构		代理人
主权项
地址

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