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经营范围
发明名称
Improvements in or relating to mechanical shovels
摘要
申请公布号
GB734883(A)
申请公布日期
1955.08.10
申请号
GB19530007303
申请日期
1953.03.17
申请人
ARTHUR EDGAR ROWLEY
发明人
分类号
E02F3/40
主分类号
E02F3/40
代理机构
代理人
主权项
地址
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