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发明名称
Землесос
摘要
申请公布号
SU27615(A1)
申请公布日期
1932.08.31
申请号
SU19310082490
申请日期
1931.01.28
申请人
GUZENKO D.S. (M.)
发明人
GUZENKO D.S. (M.)
分类号
E02F3/88
主分类号
E02F3/88
代理机构
代理人
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