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经营范围
发明名称
Earth working apparatus
摘要
申请公布号
US2883773(A)
申请公布日期
1959.04.28
申请号
US19550529718
申请日期
1955.08.22
申请人
ATLAS SCRAPER AND ENGINEERING CO.
发明人
CHANDLER ROY L.;JR. CLAUDE B. OGLE,
分类号
E02F3/64;E02F3/76
主分类号
E02F3/64
代理机构
代理人
主权项
地址
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