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发明名称
Модель для изучения работы четырехтактного двигателя внутреннего горения
摘要
申请公布号
SU22974(A1)
申请公布日期
1931.09.30
申请号
SUD22974
申请日期
1930.02.26
申请人
BERESTETSKIJ N.S.
发明人
BERESTETSKIJ N.S.
分类号
G09B9/04
主分类号
G09B9/04
代理机构
代理人
主权项
地址
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