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发明名称
Hoist safety device
摘要
申请公布号
US3233746(A)
申请公布日期
1966.02.08
申请号
US19640362085
申请日期
1964.04.23
申请人
FAWELL JOSEPH E
发明人
FAWELL JOSEPH E.
分类号
B66C13/00;B66D1/56;B66D1/58
主分类号
B66C13/00
代理机构
代理人
主权项
地址
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