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发明名称
Устройство для заглушения отверстия внутри полых тел вращения при поверке их непроницаемости
摘要
申请公布号
SU13980(A1)
申请公布日期
1930.03.31
申请号
SU19270016527
申请日期
1927.04.07
申请人
BRODSKIJ G.G.
发明人
BRODSKIJ G.G.
分类号
G01M3/04;G01M3/00
主分类号
G01M3/04
代理机构
代理人
主权项
地址
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