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发明名称
Учебный прибор для демонстрации действия физических законов о газах
摘要
申请公布号
SU110402(A1)
申请公布日期
1957.11.30
申请号
SU19570570525
申请日期
1957.04.05
申请人
USHAKOV M.A.
发明人
USHAKOV M.A.
分类号
G09B23/16
主分类号
G09B23/16
代理机构
代理人
主权项
地址
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