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发明名称
Perfectionnements aux vannes différentielles à commande électromagnétique
摘要
申请公布号
FR65489(E)
申请公布日期
1956.02.21
申请号
FRD65489
申请日期
1954.01.12
申请人
发明人
SCARPA FRANCOIS-XAVIER
分类号
F16K31/40
主分类号
F16K31/40
代理机构
代理人
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