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发明名称
EARTH MOVING APPARATUS WITH VIBRATING CUTTING EDGE
摘要
申请公布号
US3478450(A)
申请公布日期
1969.11.18
申请号
USD3478450
申请日期
1967.10.18
申请人
ERNEST R. CUNNINGHAM
发明人
ERNEST R. CUNNINGHAM
分类号
E02F3/40;E02F3/815;(IPC1-7):E02F3/76
主分类号
E02F3/40
代理机构
代理人
主权项
地址
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