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经营范围
发明名称
Variable ratio transmission
摘要
申请公布号
US2069023(A)
申请公布日期
1937.01.26
申请号
US19340732683
申请日期
1934.06.27
申请人
SZEKELY OTTO E
发明人
SZEKELY OTTO E.
分类号
F16D31/04
主分类号
F16D31/04
代理机构
代理人
主权项
地址
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