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经营范围
发明名称
Excavator
摘要
申请公布号
US1999681(A)
申请公布日期
1935.04.30
申请号
US19330703066
申请日期
1933.12.19
申请人
HENDRIK BAKKER FREDERICK
发明人
BAKKER FREDERICK HENDRIK
分类号
E02F3/54
主分类号
E02F3/54
代理机构
代理人
主权项
地址
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