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经营范围
发明名称
GETTER DEVICE
摘要
申请公布号
US3816788(A)
申请公布日期
1974.06.11
申请号
US19720239617
申请日期
1972.03.30
申请人
UNION CARBIDE CORP,US
发明人
REASH C,US
分类号
H01J7/18;H01J29/94;(IPC1-7):H01J19/70
主分类号
H01J7/18
代理机构
代理人
主权项
地址
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