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发明名称
ELECTRON EMITTERS
摘要
申请公布号
US3866077(A)
申请公布日期
1975.02.11
申请号
US19720269139
申请日期
1972.07.05
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
BAKER, FRANCIS SIDNEY;HARRISON, CHARLES RICHARD;OSBORN, ANTHONY RAYMOND;WILLIAMS, JOHN
分类号
G01Q30/08;G01Q30/16;G01Q70/12;H01J1/304;H01J37/073;H01J37/24;(IPC1-7):H01J1/16
主分类号
G01Q30/08
代理机构
代理人
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地址
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