-
公开(公告)号:US1816683A
公开(公告)日:1931-07-28
申请号:US24369827
申请日:1927-12-30
Applicant: GEN ELECTRIC
Inventor: WILLY LEDIG , WALTHER-WINFRIED LOEBE
-
公开(公告)号:US1631377A
公开(公告)日:1927-06-07
申请号:US1055225
申请日:1925-02-20
Applicant: GEN ELECTRIC
Inventor: WALTHER-WINFRIED LOEBE , MAX GROSSMANN
-
公开(公告)号:US1783806A
公开(公告)日:1930-12-02
申请号:US30947928
申请日:1928-10-01
Applicant: GEN ELECTRIC
Inventor: WALTHER-WINFRIED LOEBE , WILLY LEDIG , HEINRICH ASMUSSEN
IPC: H01K3/28
CPC classification number: H01K3/28
-
4.
公开(公告)号:US1760507A
公开(公告)日:1930-05-27
申请号:US17773427
申请日:1927-03-23
Applicant: GEN ELECTRIC
Inventor: WALTHER-WINFRIED LOEBE , WILLY LEDIG , HEINRICH ASMUSSEN
IPC: H01J9/30
CPC classification number: H01J9/30
-
公开(公告)号:US1707675A
公开(公告)日:1929-04-02
申请号:US16309327
申请日:1927-01-24
Applicant: GEN ELECTRIC
Inventor: WALTHER-WINFRIED LOEBE , WILLY LEDIG
IPC: B25H1/00
CPC classification number: B25H1/00 , Y10T29/53539
-
-
-
-