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发明名称
Elevator construction
摘要
申请公布号
US2107210(A)
申请公布日期
1938.02.01
申请号
US19320612084
申请日期
1932.05.18
申请人
BLAKE PALM
发明人
PALM BLAKE
分类号
B66B9/00
主分类号
B66B9/00
代理机构
代理人
主权项
地址
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