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经营范围
发明名称
Improvements in or relating to a variable speed device
摘要
申请公布号
GB609465(A)
申请公布日期
1948.09.30
申请号
GB19460008082
申请日期
1946.03.15
申请人
ARMAND GAVAGE
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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