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经营范围
发明名称
Portable elevator
摘要
申请公布号
US1841525(A)
申请公布日期
1932.01.19
申请号
US19290366609
申请日期
1929.05.28
申请人
CHRIS EVENSEN
发明人
EVENSEN CHRIS
分类号
B60P1/40
主分类号
B60P1/40
代理机构
代理人
主权项
地址
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