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发明名称
Устройство для добычи озерной соли
摘要
申请公布号
SU15488(A1)
申请公布日期
1930.05.31
申请号
SU19290042616
申请日期
1929.03.14
申请人
BULAVENKO A.P.
发明人
BULAVENKO A.P.
分类号
E21C47/00
主分类号
E21C47/00
代理机构
代理人
主权项
地址
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