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发明名称
Improvements in and relating to variable speed transmission gears
摘要
申请公布号
GB511131(A)
申请公布日期
1939.08.02
申请号
GB19380003311
申请日期
1938.02.02
申请人
RAYMOND HENRI MOTTET
发明人
分类号
F16H3/72;F16H33/02;H02J1/16
主分类号
F16H3/72
代理机构
代理人
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