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发明名称
Down pressure bulldozer
摘要
申请公布号
US2682717(A)
申请公布日期
1954.07.06
申请号
US19520270596
申请日期
1952.02.08
申请人
LE TOURNEAU ROBERT G
发明人
TOURNEAU ROBERT G. LE
分类号
E02F3/76
主分类号
E02F3/76
代理机构
代理人
主权项
地址
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