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发明名称
Dozer scraper attachment
摘要
申请公布号
US3043382(A)
申请公布日期
1962.07.10
申请号
US19590790473
申请日期
1959.02.02
申请人
AMALGAMATED EQUIPMENT CO.
发明人
MEREDITH JOHN A.
分类号
E21B7/00;E21B7/02
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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