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经营范围
发明名称
Cathode cylinder having a heater member supported by a plurality of flexible metal bands
摘要
申请公布号
US3351801(A)
申请公布日期
1967.11.07
申请号
US19650433240
申请日期
1965.02.16
申请人
RICHTER JOHN F
发明人
RICHTER JOHN F.
分类号
H01J1/22
主分类号
H01J1/22
代理机构
代理人
主权项
地址
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