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经营范围
发明名称
Perfectionnements relatifs au traitement des soupapes de moteur
摘要
申请公布号
FR920317(A)
申请公布日期
1947.04.03
申请号
FRD920317
申请日期
1946.01.18
申请人
THE ANGLO-SAXON PETROLEUM CO LTD
发明人
分类号
B22D13/00;B22D19/00
主分类号
B22D13/00
代理机构
代理人
主权项
地址
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