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发明名称
Устройство для сигнализации
摘要
申请公布号
SU33430(A1)
申请公布日期
1933.11.30
申请号
SU19320115013
申请日期
1932.09.02
申请人
GITSELOV P.V.
发明人
GITSELOV P.V.
分类号
G02B23/00;E21F17/18
主分类号
G02B23/00
代理机构
代理人
主权项
地址
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