-
1.发明授权
公开(公告)号：US3495116A
公开(公告)日：1970-02-10
申请号：US3495116D
申请日：1966-06-27
Applicant: SIEMENS AG
Inventor： HORN GERHARD , KATZ HELMUT
CPC classification number: H01J41/16
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
