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经营范围
发明名称
Power hoist
摘要
申请公布号
US2379599(A)
申请公布日期
1945.07.03
申请号
US19420438779
申请日期
1942.04.13
申请人
发明人
SMITH CHARLES R.
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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