NL56993C - - Google Patents
Info
- Publication number
- NL56993C NL56993C NL56993DA NL56993C NL 56993 C NL56993 C NL 56993C NL 56993D A NL56993D A NL 56993DA NL 56993 C NL56993 C NL 56993C
- 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
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/0023—Colour matching, recognition, analysis, mixture or the like
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56993C true NL56993C (en) | 1900-01-01 |
Family
ID=1813474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56993D NL56993C (en) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL56993C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228184A1 (en) * | 1985-11-27 | 1987-07-08 | Leonard Krane | Apparatus and method for learning about the relationships and personalities of a group of two or more persons |
| US4815976A (en) * | 1987-08-27 | 1989-03-28 | K-Pay Entertainment, Incorporated | Apparatus and method for learning about the relationships and personalities of a group of two or more persons |
-
0
- NL NL56993D patent/NL56993C/xx active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228184A1 (en) * | 1985-11-27 | 1987-07-08 | Leonard Krane | Apparatus and method for learning about the relationships and personalities of a group of two or more persons |
| US4815976A (en) * | 1987-08-27 | 1989-03-28 | K-Pay Entertainment, Incorporated | Apparatus and method for learning about the relationships and personalities of a group of two or more persons |