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发明名称
Hoist employing clutch-brake
摘要
申请公布号
US3138231(A)
申请公布日期
1964.06.23
申请号
US19610091241
申请日期
1961.02.23
申请人
YALE AND TOWNE INC.
发明人
LOCK FRANK J.
分类号
B66D3/14
主分类号
B66D3/14
代理机构
代理人
主权项
地址
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