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经营范围
发明名称
Auger type trenching machine
摘要
申请公布号
US2598350(A)
申请公布日期
1952.05.27
申请号
US19490094078
申请日期
1949.05.19
申请人
CARROLL DANIEL J
发明人
CARROLL DANIEL J.
分类号
E02F3/06;E02F5/02;E02F5/04
主分类号
E02F3/06
代理机构
代理人
主权项
地址
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