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发明名称
Improvements in and relating to electric variable-speed powertransmission systems
摘要
申请公布号
GB341201(A)
申请公布日期
1931.01.15
申请号
GB19290035660
申请日期
1929.11.21
申请人
HENRY HOMAN JEFFCOTT
发明人
分类号
F16H61/00;F42B12/42
主分类号
F16H61/00
代理机构
代理人
主权项
地址
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