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经营范围
发明名称
Slewing devices employing two topping lifts
摘要
申请公布号
GB920996(A)
申请公布日期
1963.03.13
申请号
GB19600039580
申请日期
1960.11.17
申请人
ALF ESKIL HALLEN
发明人
分类号
B63B27/04
主分类号
B63B27/04
代理机构
代理人
主权项
地址
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