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发明名称
Ditch forming attachment for a road grader
摘要
申请公布号
US3039209(A)
申请公布日期
1962.06.19
申请号
US19590799347
申请日期
1959.03.13
申请人
CRON JAMES C;SPRINKLE JOHN L
发明人
CRON JAMES C.;SPRINKLE JOHN L.
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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