-
公开(公告)号：US3127480A
公开(公告)日：1964-03-31
申请号：US5489660
申请日：1960-09-09
Applicant: ERICSSON TELEFON AB L M
Inventor： FOLKE EK , STURE LINDENHALL JOHN , ARNE OXAAL
IPC: H04Q3/00
CPC classification number: H04Q3/0004
Search Results
1
records
(took 0.014 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
