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发明名称
Газопоглотитель для электровакуумных приборов
摘要
申请公布号
SU117226(A1)
申请公布日期
1957.11.30
申请号
SU19550576312
申请日期
1955.02.22
申请人
IOFIS N.A.
发明人
IOFIS N.A.
分类号
H01J7/18
主分类号
H01J7/18
代理机构
代理人
主权项
地址
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