BE671831A - - Google Patents
Info
- Publication number
- BE671831A BE671831A BE671831A BE671831A BE671831A BE 671831 A BE671831 A BE 671831A BE 671831 A BE671831 A BE 671831A BE 671831 A BE671831 A BE 671831A BE 671831 A BE671831 A BE 671831A
- Authority
- BE
- Belgium
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
- G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
- G09B3/02—Manually or mechanically operated teaching appliances working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
- G09B3/04—Manually or mechanically operated teaching appliances working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student of chart form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
- B41L1/00—Devices for performing operations in connection with manifolding by means of pressure-sensitive layers or intermediaries, e.g. carbons; Accessories for manifolding purposes
- B41L1/20—Manifolding assemblies, e.g. book-like assemblies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D19/00—Movable-strip writing or reading apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Toys (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Packaging Of Special Articles (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Steroid Compounds (AREA)
- Toilet Supplies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DER39196A DE1254893B (en) | 1964-11-09 | 1964-11-09 | Exercise sheet with solution control |
| DER40956A DE1295252B (en) | 1964-11-09 | 1965-06-26 | Assignment sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE671831A true BE671831A (en) | 1966-03-01 |
Family
ID=25991837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE671831A BE671831A (en) | 1964-11-09 | 1965-11-04 |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE671831A (en) |
| CH (2) | CH435822A (en) |
| DE (2) | DE1254893B (en) |
| DK (1) | DK117186B (en) |
| ES (1) | ES123092Y (en) |
| FI (1) | FI41696B (en) |
| GB (1) | GB1109650A (en) |
| NL (1) | NL6513680A (en) |
| NO (1) | NO116143B (en) |
| SE (1) | SE309868B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3736006A (en) * | 1971-06-16 | 1973-05-29 | Polsky N | Envelope |
| JPS5524607Y2 (en) * | 1977-03-02 | 1980-06-12 | ||
| GB2125336B (en) * | 1982-08-17 | 1986-03-05 | Martin Brockley | Devices for making written records |
| CN108053723B (en) * | 2017-11-24 | 2022-02-22 | 辽宁工业大学 | English translation teaching auxiliary device |
-
1964
- 1964-11-09 DE DER39196A patent/DE1254893B/en not_active Withdrawn
- 1964-11-09 CH CH1442064A patent/CH435822A/en unknown
-
1965
- 1965-06-26 DE DER40956A patent/DE1295252B/en not_active Withdrawn
- 1965-10-22 NL NL6513680A patent/NL6513680A/xx unknown
- 1965-10-26 GB GB45240/65A patent/GB1109650A/en not_active Expired
- 1965-11-03 FI FI2641/65A patent/FI41696B/fi active
- 1965-11-04 BE BE671831A patent/BE671831A/xx unknown
- 1965-11-05 SE SE14300/65A patent/SE309868B/xx unknown
- 1965-11-05 NO NO160356A patent/NO116143B/no unknown
- 1965-11-06 DK DK572265AA patent/DK117186B/en unknown
- 1965-11-06 ES ES123092U patent/ES123092Y/en not_active Expired
- 1965-12-20 CH CH1761165A patent/CH468049A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1254893B (en) | 1967-11-23 |
| ES123092Y (en) | 1967-08-01 |
| NL6513680A (en) | 1966-05-09 |
| DK117186B (en) | 1970-03-23 |
| DE1295252B (en) | 1969-05-14 |
| FI41696B (en) | 1969-09-30 |
| CH468049A (en) | 1969-01-31 |
| CH435822A (en) | 1967-05-15 |
| NO116143B (en) | 1969-02-03 |
| GB1109650A (en) | 1968-04-10 |
| ES123092U (en) | 1966-10-16 |
| SE309868B (en) | 1969-04-08 |