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经营范围
发明名称
HYDROCARBON GETTER PUMP
摘要
申请公布号
GB8417070(D0)
申请公布日期
1984.08.08
申请号
GB19840017070
申请日期
1984.07.04
申请人
GENERAL ELECTRIC CO
发明人
分类号
H01J41/20;H01J7/18;H01J29/84;H01J41/12;(IPC1-7):F04B37/02
主分类号
H01J41/20
代理机构
代理人
主权项
地址
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