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经营范围
发明名称
Improvements in or relating to mechanical loading shovels and the like
摘要
申请公布号
GB593696(A)
申请公布日期
1947.10.23
申请号
GB19440020936
申请日期
1944.10.27
申请人
E. BOYDELL & COMPANY LIMITED;JOE DAVIDSON COLDWELL
发明人
分类号
E02F3/42
主分类号
E02F3/42
代理机构
代理人
主权项
地址
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