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发明名称
Self-erecting crane
摘要
申请公布号
US2394314(A)
申请公布日期
1946.02.05
申请号
US19440567342
申请日期
1944.12.09
申请人
R. G. LE TOURNEAU, INC.
发明人
TOURNEAU ROBERT G. LE
分类号
B66C23/36
主分类号
B66C23/36
代理机构
代理人
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地址
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