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发明名称
Excavating apparatus
摘要
申请公布号
US3057494(A)
申请公布日期
1962.10.09
申请号
US19590790182
申请日期
1959.01.30
申请人
WAIN-ROY CORPORATION
发明人
HOLOPAINEN VAINO J.;KING JAMES F.
分类号
E02F3/30;E02F3/32;E02F3/42;E02F9/08
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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