JPS4993131A - - Google Patents

Info

Publication number
JPS4993131A
JPS4993131A JP473973A JP473973A JPS4993131A JP S4993131 A JPS4993131 A JP S4993131A JP 473973 A JP473973 A JP 473973A JP 473973 A JP473973 A JP 473973A JP S4993131 A JPS4993131 A JP S4993131A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP473973A
Other languages
Japanese (ja)
Other versions
JPS549098B2 (cs
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 filed Critical
Priority to JP473973A priority Critical patent/JPS549098B2/ja
Publication of JPS4993131A publication Critical patent/JPS4993131A/ja
Priority to US05/550,487 priority patent/US4005530A/en
Publication of JPS549098B2 publication Critical patent/JPS549098B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
JP473973A 1973-01-08 1973-01-08 Expired JPS549098B2 (cs)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP473973A JPS549098B2 (cs) 1973-01-08 1973-01-08
US05/550,487 US4005530A (en) 1973-01-08 1975-02-18 Audio-visual training device with selective branching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP473973A JPS549098B2 (cs) 1973-01-08 1973-01-08

Publications (2)

Publication Number Publication Date
JPS4993131A true JPS4993131A (cs) 1974-09-05
JPS549098B2 JPS549098B2 (cs) 1979-04-21

Family

ID=11592269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP473973A Expired JPS549098B2 (cs) 1973-01-08 1973-01-08

Country Status (1)

Country Link
JP (1) JPS549098B2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243524A (en) * 1975-08-08 1977-04-05 Hermans Antonius Visual communication device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951026A (cs) * 1972-09-19 1974-05-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951026A (cs) * 1972-09-19 1974-05-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243524A (en) * 1975-08-08 1977-04-05 Hermans Antonius Visual communication device

Also Published As

Publication number Publication date
JPS549098B2 (cs) 1979-04-21

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