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发明名称
Improvements in continuously variable friction wheel change-speed gears
摘要
申请公布号
GB463917(A)
申请公布日期
1937.04.08
申请号
GB19360021007
申请日期
1936.07.29
申请人
FRANZ GUSTAV MARTIN BERGER
发明人
分类号
F16H15/04
主分类号
F16H15/04
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代理人
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