FR425931A - Lampe de mineur - Google Patents
Lampe de mineurInfo
- Publication number
- FR425931A FR425931A FR425931DA FR425931A FR 425931 A FR425931 A FR 425931A FR 425931D A FR425931D A FR 425931DA FR 425931 A FR425931 A FR 425931A
- Authority
- FR
- France
- Prior art keywords
- miner
- lamp
- Prior art date
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10H—PRODUCTION OF ACETYLENE BY WET METHODS
- C10H1/00—Acetylene gas generators with dropwise, gravity, non-automatic water feed
- C10H1/02—Valves
- C10H1/06—Cocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L23/00—Non-electric hand-lamps for miners
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR425931T | 1911-02-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR425931A true FR425931A (fr) | 1911-06-23 |
Family
ID=1468548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR425931D Expired FR425931A (fr) | 1911-02-11 | 1911-02-11 | Lampe de mineur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR425931A (fr) |
-
1911
- 1911-02-11 FR FR425931D patent/FR425931A/fr not_active Expired
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