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经营范围
发明名称
Perfectionnements aux joints ou fermetures d'étanchéité à l'huile, ou de protection contre les poussières, utilisés dans les boîtes à huile de véhicules et autres
摘要
申请公布号
FR704905(A)
申请公布日期
1931.05.28
申请号
FRD704905
申请日期
1930.11.04
申请人
发明人
PENNIMAN WILLIAM BOSE DOBBIN
分类号
B61F15/22
主分类号
B61F15/22
代理机构
代理人
主权项
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