-
公开(公告)号：US1914205A
公开(公告)日：1933-06-13
申请号：US54653631
申请日：1931-06-24
Applicant: GEN ELECTRIC
Inventor： HOOPER IRVIN F , NIEDERGESASS BERTHOLD F , DEVERS PHILIP K
CPC classification number: C03B23/07 , C03B23/095
-
公开(公告)号：US1869133A
公开(公告)日：1932-07-26
申请号：US32643328
申请日：1928-12-17
Applicant: GEN ELECTRIC
Inventor： DEVERS PHILIP K , HOOPER IRVIN F
IPC: H01T13/34
CPC classification number: H01T13/34
-
Search Results
2
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
