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发明名称
Приспособление для кротового дренажа
摘要
申请公布号
SU30004(A1)
申请公布日期
1933.04.30
申请号
SU19320102073
申请日期
1932.01.25
申请人
RIDIGER V.R.
发明人
RIDIGER V.R.
分类号
E02B11/02
主分类号
E02B11/02
代理机构
代理人
主权项
地址
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