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发明名称
Авиационная маска
摘要
申请公布号
SU45411(A1)
申请公布日期
1935.12.31
申请号
SU19350165477
申请日期
1935.03.18
申请人
KALMYKOV P.E.
发明人
KALMYKOV P.E.
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主分类号
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