Invention Grant
- Patent Title: Auxiliary traffic controllers
- Patent Title (中): 辅助交通控制器
-
Application No.: US80549459Application Date: 1959-04-10
-
Publication No.: US3196388APublication Date: 1965-07-20
- Inventor: HILL FRANK W
- Applicant: BLISS E W CO
- Assignee: Bliss E W Co
- Current Assignee: Bliss E W Co
- Priority: US80549459 1959-04-10
- Main IPC: G08G1/08
- IPC: G08G1/08
Information query
IPC分类:
