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发明名称
Bulldozer
摘要
申请公布号
US1997001(A)
申请公布日期
1935.04.09
申请号
US19330655495
申请日期
1933.02.06
申请人
LAMB FRANK H
发明人
LAMB FRANK H.
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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