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发明名称
Continuously variable speed gears
摘要
申请公布号
US2730904(A)
申请公布日期
1956.01.17
申请号
US19520298687
申请日期
1952.07.14
申请人
BERNHARD RENNERFELT SVEN
发明人
RENNERFELT SVEN BERNHARD
分类号
F16H13/14;F16H15/38
主分类号
F16H13/14
代理机构
代理人
主权项
地址
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