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发明名称
Improvements in or relating to variable speed gearing
摘要
申请公布号
GB333373(A)
申请公布日期
1930.08.14
申请号
GB19290023105
申请日期
1929.07.27
申请人
JAMES ANDREWS
发明人
分类号
F16D21/04;F16D23/12
主分类号
F16D21/04
代理机构
代理人
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