-
公开(公告)号：US3264415A
公开(公告)日：1966-08-02
申请号：US24055862
申请日：1962-11-28
Applicant: BELL TELEPHONE LABOR INC
Inventor： BURNS THOMAS V , ERWIN EDSON L , KRALL GEORGE J , MASUCCI EUGENE D , VINCENT CHARLES J
IPC: H04Q3/00
CPC classification number: H04Q3/0004
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
