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经营范围
发明名称
Portable elevator
摘要
申请公布号
US2757755(A)
申请公布日期
1956.08.07
申请号
US19520309398
申请日期
1952.09.13
申请人
UNITED HOISTING COMPANY
发明人
JR. EDWARD A. WHITE,
分类号
B66B9/16;E04G1/20
主分类号
B66B9/16
代理机构
代理人
主权项
地址
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