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发明名称
Vee rope change speed converter unit
摘要
申请公布号
GB559993(A)
申请公布日期
1944.03.15
申请号
GB19420007590
申请日期
1942.06.04
申请人
WILFRED SYDNEY SMITH;FREDERICK JAMES WALTERS
发明人
分类号
F16H9/22
主分类号
F16H9/22
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代理人
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