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发明名称
Бур для проводки скважин во льду
摘要
申请公布号
SU77559(A1)
申请公布日期
1949.11.30
申请号
SU19480388197
申请日期
1948.12.06
申请人
MULTANOVSKIJ V.V.
发明人
MULTANOVSKIJ V.V.
分类号
F25C5/08
主分类号
F25C5/08
代理机构
代理人
主权项
地址
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