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经营范围
发明名称
Improvements in and relating to variable speed gearing
摘要
申请公布号
GB415578(A)
申请公布日期
1934.08.30
申请号
GB19330022439
申请日期
1933.08.11
申请人
ADOLF LAUB
发明人
分类号
F16H29/04
主分类号
F16H29/04
代理机构
代理人
主权项
地址
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