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发明名称
Способ увеличения механической прочности тел накала из хрупкого материала при изготовлении электрических ламп накаливания
摘要
申请公布号
SU55035(A1)
申请公布日期
1938.11.30
申请号
SU19370013840
申请日期
1937.12.01
申请人
GELFGOT A.L.
发明人
GELFGOT A.L.
分类号
H01K3/02
主分类号
H01K3/02
代理机构
代理人
主权项
地址
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