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发明名称
Комнатный полигон
摘要
申请公布号
SU20994(A1)
申请公布日期
1931.05.31
申请号
SU19300065486
申请日期
1930.02.25
申请人
TIKHONOV E.D.
发明人
TIKHONOV E.D.
分类号
F41G3/28
主分类号
F41G3/28
代理机构
代理人
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