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经营范围
发明名称
Combined trench hoe and crusher ball machine
摘要
申请公布号
US3155328(A)
申请公布日期
1964.11.03
申请号
US19630294595
申请日期
1963.07.12
申请人
LONGLEY CONSTRUCTION CO., INC.
发明人
LONGLEY LESTER A.
分类号
E02F3/30;E02F3/42;E02F3/96
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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