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发明名称
Power transmission through the medium of change-speed devices
摘要
申请公布号
GB511791(A)
申请公布日期
1939.08.24
申请号
GB19380005740
申请日期
1938.02.23
申请人
JEAN COTAL
发明人
分类号
F16H61/02
主分类号
F16H61/02
代理机构
代理人
主权项
地址
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