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发明名称
Приспособление для устранения проникания наружного воздуха в газоубежище
摘要
申请公布号
SU30101(A1)
申请公布日期
1933.04.30
申请号
SU19310097009
申请日期
1931.11.03
申请人
BRATASHEVSKIJ A.K.
发明人
BRATASHEVSKIJ A.K.
分类号
F41H11/00
主分类号
F41H11/00
代理机构
代理人
主权项
地址
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