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发明名称
Lifting device
摘要
申请公布号
US2667330(A)
申请公布日期
1954.01.26
申请号
US19500195363
申请日期
1950.11.13
申请人
JORGENSEN DAVID F
发明人
JORGENSEN DAVID F.
分类号
B66F15/00
主分类号
B66F15/00
代理机构
代理人
主权项
地址
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