FR549892A - - Google Patents
Info
- Publication number
- FR549892A FR549892A FR549892DA FR549892A FR 549892 A FR549892 A FR 549892A FR 549892D A FR549892D A FR 549892DA FR 549892 A FR549892 A FR 549892A
- 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
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR549892A true FR549892A (online.php) | 1923-02-21 |
Family
ID=1538289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR549892D Expired FR549892A (online.php) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR549892A (online.php) |
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0
- FR FR549892D patent/FR549892A/fr not_active Expired