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发明名称
Portable elevator
摘要
申请公布号
US2972394(A)
申请公布日期
1961.02.21
申请号
US19580724536
申请日期
1958.03.28
申请人
GRANT GERTRUDE B
发明人
GRANT GERTRUDE B.
分类号
B65G67/00;B66B9/16
主分类号
B65G67/00
代理机构
代理人
主权项
地址
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