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发明名称
Improvements relating to cranes
摘要
申请公布号
GB594043(A)
申请公布日期
1947.10.31
申请号
GB19450016070
申请日期
1945.06.23
申请人
R. G. LETOURNEAU INC.
发明人
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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