NL7211774A - - Google Patents
Info
- Publication number
- NL7211774A NL7211774A NL7211774A NL7211774A NL7211774A NL 7211774 A NL7211774 A NL 7211774A NL 7211774 A NL7211774 A NL 7211774A NL 7211774 A NL7211774 A NL 7211774A NL 7211774 A NL7211774 A NL 7211774A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT5256771A IT1013012B (it) | 1971-08-30 | 1971-08-30 | Dispositivo rice trasmittente per comunicazioni tra o con sordi muti e deboli di udito con l ausilio di normale apparecchio telefonico |
| IT5360271A IT1045055B (it) | 1971-10-21 | 1971-10-21 | Dispositivo rioe trasmittente per comunicazioni tra e con sordi miti e deroli d udito con l ausilio di normale apparecchio telefonico |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7211774A true NL7211774A (https=) | 1973-03-02 |
Family
ID=26329478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7211774A NL7211774A (https=) | 1971-08-30 | 1972-08-29 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4833709A (https=) |
| BE (1) | BE799530Q (https=) |
| CH (1) | CH551121A (https=) |
| DE (1) | DE2242253A1 (https=) |
| FR (1) | FR2152015A5 (https=) |
| GB (1) | GB1400042A (https=) |
| NL (1) | NL7211774A (https=) |
-
1972
- 1972-08-22 CH CH1243972A patent/CH551121A/xx not_active IP Right Cessation
- 1972-08-23 GB GB3931272A patent/GB1400042A/en not_active Expired
- 1972-08-28 DE DE19722242253 patent/DE2242253A1/de active Pending
- 1972-08-29 NL NL7211774A patent/NL7211774A/xx unknown
- 1972-08-29 JP JP8591472A patent/JPS4833709A/ja active Pending
- 1972-08-30 FR FR7230855A patent/FR2152015A5/fr not_active Expired
-
1973
- 1973-05-15 BE BE131104A patent/BE799530Q/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4833709A (https=) | 1973-05-12 |
| DE2242253A1 (de) | 1973-03-08 |
| GB1400042A (en) | 1975-07-16 |
| BE799530Q (fr) | 1973-08-31 |
| FR2152015A5 (https=) | 1973-04-20 |
| CH551121A (de) | 1974-06-28 |