-
公开(公告)号：US3413716A
公开(公告)日：1968-12-03
申请号：US45228865
申请日：1965-04-30
Applicant: XEROX CORP
Inventor： SCHWERTZ FREDERICK A , SMITH FREDERICK H JR
IPC: H01F17/00
CPC classification number: H01F17/0033 , H01F2017/004 , Y10T29/4902
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
