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发明名称
Электрический осветительный прибор для помещений с воспламеняющимися газами
摘要
申请公布号
SU13877(A1)
申请公布日期
1930.03.31
申请号
SU19290045099
申请日期
1929.04.16
申请人
BERSTEL V.N.
发明人
BERSTEL V.N.
分类号
F21V25/12;F21V25/04
主分类号
F21V25/12
代理机构
代理人
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