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经营范围
发明名称
Improvements in or connected with cranes
摘要
申请公布号
GB567369(A)
申请公布日期
1945.02.12
申请号
GB19430002866
申请日期
1943.02.20
申请人
JOHN BOYD
发明人
分类号
B66C23/72
主分类号
B66C23/72
代理机构
代理人
主权项
地址
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