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发明名称
Perfectionnements aux valves de commande hydrauliques.
摘要
申请公布号
BE606045(A1)
申请公布日期
1961.11.03
申请号
BE19610606045
申请日期
1961.07.12
申请人
KARSTEN ALFRED OVRETVEIT
发明人
KARSTEN ALFRED OVRETVEIT
分类号
(IPC1-7):F06K
主分类号
(IPC1-7):F06K
代理机构
代理人
主权项
地址
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