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经营范围
发明名称
Steplessly variable transmission gears with substantially spherical rollers
摘要
申请公布号
GB618774(A)
申请公布日期
1949.02.28
申请号
GB19460002905
申请日期
1946.01.29
申请人
JEAN KOPP
发明人
分类号
F16H15/28
主分类号
F16H15/28
代理机构
代理人
主权项
地址
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