-
公开(公告)号：US3435146A
公开(公告)日：1969-03-25
申请号：US3435146D
申请日：1965-05-11
Applicant: BELL TELEPHONE LABOR INC
Inventor： BUSALA ALESSANDRO , STOKES REMBERT R , STROMMEN LAWRENCE A
IPC: H04M17/02
CPC classification number: H04M17/023
Search Results
1
records
(took 0.014 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
