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发明名称
Safety hoist
摘要
申请公布号
US2928564(A)
申请公布日期
1960.03.15
申请号
US19570671270
申请日期
1957.07.11
申请人
发明人
FIGGE CARROLL C.
分类号
B66C23/20
主分类号
B66C23/20
代理机构
代理人
主权项
地址
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