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发明名称
Perfectionnements aux valves de commande automatiques actionnées par une pression hydraulique
摘要
申请公布号
FR54943(E)
申请公布日期
1951.04.30
申请号
FRD54943
申请日期
1946.08.29
申请人
发明人
TOWLER JOHN MAURICE;TOWLER FRANK HATHORN
分类号
F15B13/02
主分类号
F15B13/02
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代理人
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