AT320316B - Schulwandtafel mit Projektionswand - Google Patents

Schulwandtafel mit Projektionswand

Info

Publication number
AT320316B
AT320316B AT91072A AT91072A AT320316B AT 320316 B AT320316 B AT 320316B AT 91072 A AT91072 A AT 91072A AT 91072 A AT91072 A AT 91072A AT 320316 B AT320316 B AT 320316B
Authority
AT
Austria
Prior art keywords
projection screen
school blackboard
blackboard
school
projection
Prior art date
Application number
AT91072A
Other languages
English (en)
Original Assignee
Schulwandtafelfabrik Walter We
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 Schulwandtafelfabrik Walter We filed Critical Schulwandtafelfabrik Walter We
Application granted granted Critical
Publication of AT320316B publication Critical patent/AT320316B/de

Links

AT91072A 1971-02-22 1972-02-04 Schulwandtafel mit Projektionswand AT320316B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19717106606 DE7106606U (de) 1971-02-22 1971-02-22 Schulwandtafel mit projektionswand

Publications (1)

Publication Number Publication Date
AT320316B true AT320316B (de) 1975-02-10

Family

ID=6619170

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91072A AT320316B (de) 1971-02-22 1972-02-04 Schulwandtafel mit Projektionswand

Country Status (2)

Country Link
AT (1) AT320316B (de)
DE (1) DE7106606U (de)

Also Published As

Publication number Publication date
DE7106606U (de) 1971-05-19

Similar Documents

Publication Publication Date Title
BE779555A (fr) Perfectionnements aux matieres vitroceramiques
BE788915A (fr) Projecteur
SE394527B (sv) Projektionsskerm
BE748613A (fr) Nouvel ecran translucide de projection
SE383066B (sv) Katodstralror forsett med en luminiscensskerm
AT320316B (de) Schulwandtafel mit Projektionswand
AR199088A1 (es) Dispositivo proyector con lampara cambiable
AT316087B (de) Wandtafel
CH534894A (fr) Projecteur cinématographique
CH521242A (de) Mit Kreide beschriftbare, selbstklebende Tafelfolie
SE381074B (sv) Gallerkonstruktion
CH545084A (de) Schultisch
CH503282A (de) Projektionsschirm
AT325243B (de) Schultisch mit verschwenkbarer tischplatte
BE781336A (fr) Ecran de projection ameliore
CH484759A (de) Schulwandtafel
CH544320A (de) Projektions-Bildwand
IT950445B (it) Proiettore cinematografico
SE373675B (sv) Bildskerm for projektionsendamal
DE7132078U (de) Schreibprojektor
ES160024Y (es) Nueva pizarra escolar.
IT953873B (it) Proiettore cinematografico
IT952876B (it) Proiettore cinematografico
CH513423A (de) Schreibprojektor
IT960626B (it) Schermo di proiezione

Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee