首页>>国外专利>>CATHODE WITH A SURFACE EMITTER COMPOSED OF ELECTRICALLY CONDUCTIVE CERAMICH01J1/14===CATHODE WITH A
专利名称: | CATHODE WITH A SURFACE EMITTER COMPOSED OF ELECTRICALLY CONDUCTIVE CERAMICH01J1/14===CATHODE WITH A |
公开(告)号: | |
公开(公告)日: | 2009-11-19 00:00:00 |
申请(专利)号: | US20090427872 |
申请日: | 2009-04-22 00:00:00 |
发明(设计)人: | |
(申请)专利权(人): | LENZ EBERHARD (DE) |
内容: |
发布日期:2010-01-25 20:36:00