Invention Grant
- Patent Title: Relay valve
- Patent Title (中): 继电阀
-
Application No.: US32546952Application Date: 1952-12-11
-
Publication No.: US2780242APublication Date: 1957-02-05
- Inventor: DYSON ERNEST F
- Applicant: BRISTOL COMPANY
- Assignee: Bristol Company
- Current Assignee: Bristol Company
- Priority: US32546952 1952-12-11
- Main IPC: F16K31/363
- IPC: F16K31/363
Information query
