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发明名称
Приспособление для сцепления и расцепления копровой бабы с бесконечной подымающей ее цепью
摘要
申请公布号
SU20011(A1)
申请公布日期
1931.03.31
申请号
SU19290054911
申请日期
1929.09.19
申请人
POGORZHELSKIJ N.V.
发明人
POGORZHELSKIJ N.V.
分类号
E02D7/14
主分类号
E02D7/14
代理机构
代理人
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