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CH439819A - Textbook - Google Patents

Textbook

Info

Publication number
CH439819A
CH439819A CH1214465A CH1214465A CH439819A CH 439819 A CH439819 A CH 439819A CH 1214465 A CH1214465 A CH 1214465A CH 1214465 A CH1214465 A CH 1214465A CH 439819 A CH439819 A CH 439819A
Authority
CH
Switzerland
Prior art keywords
textbook
Prior art date
Application number
CH1214465A
Other languages
German (de)
Inventor
J Naterop Bertha
Original Assignee
J Naterop Bertha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by J Naterop Bertha filed Critical J Naterop Bertha
Priority to CH1214465A priority Critical patent/CH439819A/en
Priority to DE19661497724 priority patent/DE1497724A1/en
Publication of CH439819A publication Critical patent/CH439819A/en

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
    • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electrically Operated Instructional Devices (AREA)
CH1214465A 1965-08-26 1965-08-26 Textbook CH439819A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH1214465A CH439819A (en) 1965-08-26 1965-08-26 Textbook
DE19661497724 DE1497724A1 (en) 1965-08-26 1966-08-11 Textbook

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1214465A CH439819A (en) 1965-08-26 1965-08-26 Textbook

Publications (1)

Publication Number Publication Date
CH439819A true CH439819A (en) 1967-07-15

Family

ID=4380302

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1214465A CH439819A (en) 1965-08-26 1965-08-26 Textbook

Country Status (2)

Country Link
CH (1) CH439819A (en)
DE (1) DE1497724A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382727A1 (en) * 1977-03-02 1978-09-29 Yamamoto Takeshi STUDY BOOK
US5649826A (en) * 1996-03-19 1997-07-22 Sum Total, Inc. Method and device for teaching language

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382727A1 (en) * 1977-03-02 1978-09-29 Yamamoto Takeshi STUDY BOOK
US5649826A (en) * 1996-03-19 1997-07-22 Sum Total, Inc. Method and device for teaching language

Also Published As

Publication number Publication date
DE1497724A1 (en) 1969-10-16

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