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发明名称
Способ ограждения места работ при ремонте гидротехнических сооружений
摘要
申请公布号
SU63420(A1)
申请公布日期
1943.11.30
申请号
SU19410042412
申请日期
1941.04.07
申请人
MOROZOV V.I.
发明人
MOROZOV V.I.
分类号
E02B8/00;E02B5/08;E02B9/06
主分类号
E02B8/00
代理机构
代理人
主权项
地址
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