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发明名称
Automobile excavator
摘要
申请公布号
US1792772(A)
申请公布日期
1931.02.17
申请号
US19280283167
申请日期
1928.06.06
申请人
ROY SHEEN MILTON
发明人
SHEEN MILTON ROY
分类号
E02F3/34;E02F3/352;E02F3/50
主分类号
E02F3/34
代理机构
代理人
主权项
地址
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