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发明名称
Power backhoe boom control
摘要
申请公布号
US3171553(A)
申请公布日期
1965.03.02
申请号
US19610158051
申请日期
1961.12.08
申请人
MOONEY JR RALPH
发明人
JR. RALPH MOONEY,
分类号
E02F3/30;E02F3/38;E02F3/42
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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