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经营范围
发明名称
Hoisting apparatus
摘要
申请公布号
US2576158(A)
申请公布日期
1951.11.27
申请号
US19460711640
申请日期
1946.11.22
申请人
WALCO, INC.
发明人
WALLACE DAVID A.
分类号
B66F7/08
主分类号
B66F7/08
代理机构
代理人
主权项
地址
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