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经营范围
发明名称
Air cooled clutch
摘要
申请公布号
US2241242(A)
申请公布日期
1941.05.06
申请号
US19380243940
申请日期
1938.12.05
申请人
THE NATIONAL MACHINERY COMPANY
发明人
FRIEDMAN JOHN H.
分类号
F16D13/72
主分类号
F16D13/72
代理机构
代理人
主权项
地址
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