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经营范围
发明名称
Improvements in or relating to loading machines
摘要
申请公布号
GB577838(A)
申请公布日期
1946.06.03
申请号
GB19430013450
申请日期
1943.08.18
申请人
JOY MANUFACTURING COMPANY
发明人
分类号
E21D9/12
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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