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经营范围
发明名称
Perfectionnements aux dispositifs d'obturation pour boîtes à huile
摘要
申请公布号
FR820325(A)
申请公布日期
1937.11.09
申请号
FRD820325
申请日期
1937.04.07
申请人
SOCIETE A RESPONSABILITE LIMITEE: LES MATERIAUX MODERNES
发明人
分类号
B61F15/22;F16C33/74
主分类号
B61F15/22
代理机构
代理人
主权项
地址
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