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发明名称
Improvements in or relating to speed changing mechanisms
摘要
申请公布号
GB871399(A)
申请公布日期
1961.06.28
申请号
GB19580002465
申请日期
1958.01.24
申请人
GIULIO SACCHI
发明人
分类号
F16H15/50
主分类号
F16H15/50
代理机构
代理人
主权项
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