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发明名称
Variable-speed transmission
摘要
申请公布号
US2574530(A)
申请公布日期
1951.11.13
申请号
US19490133265
申请日期
1949.12.16
申请人
ARNALDO CASTAGNA
发明人
CASTAGNA ARNALDO
分类号
F16H15/52
主分类号
F16H15/52
代理机构
代理人
主权项
地址
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