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发明名称
Variable-speed transmission
摘要
申请公布号
US1798722(A)
申请公布日期
1931.03.31
申请号
US19240690925
申请日期
1924.02.06
申请人
CHALMERS HARRY B
发明人
CHALMERS HARRY B.
分类号
F16H33/08
主分类号
F16H33/08
代理机构
代理人
主权项
地址
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