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发明名称
Excavating machine
摘要
申请公布号
US2755570(A)
申请公布日期
1956.07.24
申请号
US19530336912
申请日期
1953.02.16
申请人
BLACKBURN
发明人
BLACKBURN THOMAS R.;LYNCH GORDON R.
分类号
A01G23/04;E02F3/08;E02F3/10;E02F5/02
主分类号
A01G23/04
代理机构
代理人
主权项
地址
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