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发明名称
Устройство для указания уровня воды в резервуаре
摘要
申请公布号
SU12927(A1)
申请公布日期
1930.01.31
申请号
SU19280037721
申请日期
1928.12.28
申请人
VOROBEV G.D.
发明人
VOROBEV G.D.
分类号
G01F23/44
主分类号
G01F23/44
代理机构
代理人
主权项
地址
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