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经营范围
发明名称
Improvements in liquid clutches
摘要
申请公布号
GB337564(A)
申请公布日期
1930.11.06
申请号
GB19290030776
申请日期
1929.10.10
申请人
HUGO JUNKERS
发明人
分类号
F16D31/04
主分类号
F16D31/04
代理机构
代理人
主权项
地址
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