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经营范围
发明名称
Vanne perfectionnée
摘要
申请公布号
FR1198451(A)
申请公布日期
1959.12.08
申请号
FRD1198451
申请日期
1958.01.17
申请人
SOCIETE FRANCO-BELGE DE MATERIEL DE CHEMINS DE FER
发明人
DOUMENACH JEAN-EUGENE-DENIS
分类号
F16K31/36;F16K31/40
主分类号
F16K31/36
代理机构
代理人
主权项
地址
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