FR623250A - - Google Patents
Info
- Publication number
- FR623250A FR623250A FR623250DA FR623250A FR 623250 A FR623250 A FR 623250A FR 623250D A FR623250D A FR 623250DA FR 623250 A FR623250 A FR 623250A
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B9/00—Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships
- G08B9/02—Details
- G08B9/04—Means for recording operation of the apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR623250A true FR623250A (pt) | 1927-06-21 |
Family
ID=1541273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR623250D Expired FR623250A (pt) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR623250A (pt) |
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0
- FR FR623250D patent/FR623250A/fr not_active Expired