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经营范围
发明名称
Perfectionnements aux cornues rotatives
摘要
申请公布号
FR832262(A)
申请公布日期
1938.09.23
申请号
FRD832262
申请日期
1938.01.19
申请人
发明人
QUENNELL HUGH;LLOYD FREDERIC
分类号
C10B1/10
主分类号
C10B1/10
代理机构
代理人
主权项
地址
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