NL6816518A - - Google Patents
Info
- Publication number
- NL6816518A NL6816518A NL6816518A NL6816518A NL6816518A NL 6816518 A NL6816518 A NL 6816518A NL 6816518 A NL6816518 A NL 6816518A NL 6816518 A NL6816518 A NL 6816518A NL 6816518 A NL6816518 A NL 6816518A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68430567A | 1967-11-20 | 1967-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6816518A true NL6816518A (xx) | 1969-05-22 |
Family
ID=24747519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6816518A NL6816518A (xx) | 1967-11-20 | 1968-11-20 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3452189A (xx) |
| DE (1) | DE1810068A1 (xx) |
| NL (1) | NL6816518A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2232109B1 (xx) * | 1973-06-01 | 1975-08-22 | Alsthom Cgee | |
| US3936668A (en) * | 1974-05-03 | 1976-02-03 | Frederick Siebel | Apparatus for viewing the underside of vehicles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1417123A (en) * | 1922-05-23 | Reflector lamp |
-
1967
- 1967-11-20 US US684305A patent/US3452189A/en not_active Expired - Lifetime
-
1968
- 1968-11-20 NL NL6816518A patent/NL6816518A/xx unknown
- 1968-11-20 DE DE19681810068 patent/DE1810068A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1810068A1 (de) | 1969-09-25 |
| US3452189A (en) | 1969-06-24 |