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经营范围
发明名称
Hoisting apparatus
摘要
申请公布号
US2598200(A)
申请公布日期
1952.05.27
申请号
US19480034772
申请日期
1948.06.23
申请人
WALCO, INC.
发明人
WALLACE DAVID A.
分类号
B66F7/06
主分类号
B66F7/06
代理机构
代理人
主权项
地址
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