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经营范围
发明名称
Variable speed transmission mechanism
摘要
申请公布号
US2179301(A)
申请公布日期
1939.11.07
申请号
US19380192039
申请日期
1938.02.23
申请人
JACOB A. RONNING
发明人
RONNING BIRDAN E.;MEALEY ROBERT C.
分类号
F16H61/02
主分类号
F16H61/02
代理机构
代理人
主权项
地址
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