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发明名称
EXCAVATION MACHINE HAVING IMPROVED DIGGING ELEMENTS
摘要
申请公布号
US3577664(A)
申请公布日期
1971.05.04
申请号
USD3577664
申请日期
1968.07.22
申请人
DELTA DIGGERS INC.
发明人
T.J. SING;REUBEN C. SING
分类号
E02F3/10;E02F5/02;E02F5/06;(IPC1-7):E02F3/14;E02F5/20
主分类号
E02F3/10
代理机构
代理人
主权项
地址
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