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经营范围
发明名称
Engin perfectionné de navigation
摘要
申请公布号
FR49213(E)
申请公布日期
1938.12.07
申请号
FRD49213
申请日期
1937.08.12
申请人
发明人
CANTON GEORGES HENRI;CANTON JEAN EUGENE
分类号
B63H16/20
主分类号
B63H16/20
代理机构
代理人
主权项
地址
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