-
公开(公告)号：US3341727A
公开(公告)日：1967-09-12
申请号：US51473565
申请日：1965-11-03
Applicant: UNIV ILLINOIS
Inventor： SCHUEMANN WILFRED C
IPC: H01J41/04
CPC classification number: H01J41/04
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
