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经营范围
发明名称
Automatic variable speed gear
摘要
申请公布号
GB313494(A)
申请公布日期
1930.03.27
申请号
GB19290017796
申请日期
1929.06.10
申请人
EDUARD JANIK
发明人
分类号
F16C3/28;F16H29/22
主分类号
F16C3/28
代理机构
代理人
主权项
地址
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