DE203669C - - Google Patents
Info
- Publication number
- DE203669C DE203669C DENDAT203669D DE203669DA DE203669C DE 203669 C DE203669 C DE 203669C DE NDAT203669 D DENDAT203669 D DE NDAT203669D DE 203669D A DE203669D A DE 203669DA DE 203669 C DE203669 C DE 203669C
- Authority
- DE
- Germany
- Prior art keywords
- reflector
- ellipse
- partitions
- approximately
- divided
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE203669C true DE203669C (cg-RX-API-DMAC10.html) |
Family
ID=466062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT203669D Active DE203669C (cg-RX-API-DMAC10.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE203669C (cg-RX-API-DMAC10.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2422378A (en) * | 1943-11-22 | 1947-06-17 | California Inst Res Found | Low-level reflector |
-
0
- DE DENDAT203669D patent/DE203669C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2422378A (en) * | 1943-11-22 | 1947-06-17 | California Inst Res Found | Low-level reflector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE203669C (cg-RX-API-DMAC10.html) | ||
| CN213378777U (zh) | 一种结构简单且冲孔效率高的侧冲孔模具 | |
| JP2015226931A (ja) | リング製品の加工方法、加工用金型及びリング製品 | |
| EP2626159A3 (de) | Werkzeugset zur Erzeugung von Gewinden | |
| US3314275A (en) | Tooling for sheet material forming | |
| DE8072C (de) | Anordnung mehrerer Durchlafsvorrichtungen (Hähne, Ventile) in einem Körper | |
| US2384475A (en) | Staple and method of making same | |
| CN211304442U (zh) | 一种打凸包折弯模具 | |
| CN222985391U (zh) | 一种模具成型定位机构 | |
| CN106424356A (zh) | 一种用于普通液压机的深筒件拉深模具 | |
| CN223056647U (zh) | 方便冷镦的紧固件圆头螺母 | |
| CN207788334U (zh) | 一种小手环互换底板 | |
| CN216540471U (zh) | 一种异形件拉伸成型用模具 | |
| CN216575687U (zh) | 一种短应力轧机用静迷宫钻模 | |
| CN111805447A (zh) | 薄壁柔性零件夹具 | |
| TWM593690U (zh) | 馬達矽鋼片熱壓黏著成型冶具結構 | |
| CN213915728U (zh) | 一种普冲凸包模具 | |
| DE24901C (de) | Neuerung an Matrizen zum Prägen von Metallplatten | |
| CN220679127U (zh) | 一种沉孔冲孔加工用模具 | |
| CN222242060U (zh) | 一种金属冲压件的自动折弯装置 | |
| CN222133067U (zh) | 一种v型弯曲冲压模具 | |
| SU1466834A1 (ru) | Пуансон дл отбортовки фланца в стенке трубной заготовки | |
| DE37498C (de) | Beckenschläger mit Spieldose (Spielzeug) | |
| SU1523225A1 (ru) | Штамп дл выт жки деталей | |
| CN212497324U (zh) | 一种可微调型弹性夹套 |