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经营范围
发明名称
Speed change power transmission
摘要
申请公布号
US2531992(A)
申请公布日期
1950.11.28
申请号
US19470758762
申请日期
1947.07.03
申请人
JEAN SCHLAEPFER
发明人
SCHLAEPFER JEAN
分类号
F16H9/16
主分类号
F16H9/16
代理机构
代理人
主权项
地址
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