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发明名称
MEJORAS EN LA CONSTRUCCIËN DE VALVULAS DE RETENCIËN DOBLE
摘要
申请公布号
ES293126(A1)
申请公布日期
1964.02.16
申请号
ES19260002931
申请日期
1963.11.02
申请人
METALL-PLASTIC HANS SASSERATHUND CO. KOM. GES.
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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