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发明名称
Towing hitch for ditch digging and bank forming implements
摘要
申请公布号
US2695466(A)
申请公布日期
1954.11.30
申请号
US19510213336
申请日期
1951.03.01
申请人
PORTER FRED S
发明人
PORTER FRED S.
分类号
E02F5/02
主分类号
E02F5/02
代理机构
代理人
主权项
地址
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