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经营范围
发明名称
Crane, derrick, shear leg, and like lifting device
摘要
申请公布号
US1795406(A)
申请公布日期
1931.03.10
申请号
US19300435927
申请日期
1930.03.14
申请人
FRAZER NASH ARCHIBALD
发明人
NASH ARCHIBALD FRAZER
分类号
B66C23/90;C22C9/00
主分类号
B66C23/90
代理机构
代理人
主权项
地址
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