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发明名称
MEJORAS INTRODUCIDAS EN LOS SIFONES DE CIERRE POR LIQUIDO
摘要
申请公布号
ES263831(A1)
申请公布日期
1961.04.16
申请号
ES19310002638
申请日期
1961.01.05
申请人
THE DU BOIS COMPANY, LIMITED
发明人
分类号
F04F10/00;(IPC1-7):F04F10/00
主分类号
F04F10/00
代理机构
代理人
主权项
地址
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