FR771453A - - Google Patents
Info
- Publication number
- FR771453A FR771453A FR771453DA FR771453A FR 771453 A FR771453 A FR 771453A FR 771453D A FR771453D A FR 771453DA FR 771453 A FR771453 A FR 771453A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR771453A true FR771453A (zh) | 1934-10-08 |
Family
ID=1552006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR771453D Expired FR771453A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR771453A (zh) |
-
0
- FR FR771453D patent/FR771453A/fr not_active Expired