-
公开(公告)号：US2107926A
公开(公告)日：1938-02-08
申请号：US10604436
申请日：1936-10-16
Applicant: GEN ELECTRIC
Inventor： HEINRICH ASMUSSEN , JOSEPH RIESS
CPC classification number: B21F11/005 , H01K3/04 , Y10T83/533 , Y10T83/543
Search Results
1
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
