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发明名称
Draft equipment
摘要
申请公布号
US2055997(A)
申请公布日期
1936.09.29
申请号
US19340717807
申请日期
1934.03.28
申请人
BRANDOW CLARENCE O
发明人
BRANDOW CLARENCE O.
分类号
A01B3/08
主分类号
A01B3/08
代理机构
代理人
主权项
地址
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