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经营范围
发明名称
Perfectionnement aux valves pour chambres à air
摘要
申请公布号
FR706774(A)
申请公布日期
1931.06.29
申请号
FRD706774
申请日期
1930.12.01
申请人
SOCIETE NOUVELLE DES ETABLISSEMENTS BARDIN, RENARD ET COUCHE
发明人
分类号
F16K15/20
主分类号
F16K15/20
代理机构
代理人
主权项
地址
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