-
公开(公告)号：US2521865A
公开(公告)日：1950-09-12
申请号：US73043047
申请日：1947-02-24
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： OPLINGER KIRK A , STEPHEN SENTIPAL
CPC classification number: G01K5/62 , H01H83/18 , Y10T307/438
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
