-
公开(公告)号：US3504130A
公开(公告)日：1970-03-31
申请号：US3504130D
申请日：1966-10-24
Applicant: BELL TELEPHONE LABOR INC
Inventor： GORGAS JOHN W , LAZO NICHOLAS , SIMPSON THOMAS
IPC: H04M3/56
CPC classification number: H04M3/56
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
