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发明名称
Earth anchor
摘要
申请公布号
US1907759(A)
申请公布日期
1933.05.09
申请号
US19320592695
申请日期
1932.02.13
申请人
DURBIN VOTAW S
发明人
DURBIN VOTAW S.
分类号
E02D5/80
主分类号
E02D5/80
代理机构
代理人
主权项
地址
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