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经营范围
发明名称
Tractor crane
摘要
申请公布号
US2378008(A)
申请公布日期
1945.06.12
申请号
US19450573648
申请日期
1945.01.20
申请人
CHARLES HAMILTON RAY
发明人
HAMILTON RAY CHARLES
分类号
B66C23/36
主分类号
B66C23/36
代理机构
代理人
主权项
地址
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