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US3253358A
(en)
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Visual teaching system
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KR900004212A
(ko)
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입체화상 표시방법
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US3562939A
(en)
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Viewer
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NL7713413A
(nl)
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Focussering van een enkel focuslens in een con- tinu variabel vergrotingssysteem.
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PL48140B3
(ru)
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US2517170A
(en)
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Binocular viewing apparatus for microfilms and the like
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US2704960A
(en)
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Stereoscopic plotting instrument
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GB1061741A
(en)
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Optical system for photographic apparatus
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US3391971A
(en)
|
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Foldable cardboard three dimensional viewer
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US3424511A
(en)
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|
Wide-angle stereoviewer
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|
US2930142A
(en)
|
|
Stereoscopic range estimating training device
|
|
US2930286A
(en)
|
|
Foldable stereoscopic vision testing device
|
|
CN202736365U
(zh)
|
|
实验室模拟照相机
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US1276733A
(en)
|
|
Focusing device.
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US1235100A
(en)
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Automatic masking device.
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RU11905U1
(ru)
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|
Складное устройство для просмотра стереопар
|
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US2449699A
(en)
|
|
Tourist film guide
|
|
GB1531893A
(en)
|
|
Catadioptric objective system
|
|
SU725913A1
(ru)
|
|
Оптический прибор дл рисовани
|
|
DE69126798D1
(de)
|
|
Navigationshilfe mit Halter für transparente Karten
|
|
US1972640A
(en)
|
|
Photographic camera
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AT152355B
(de)
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|
Doppelkamera für stereophotogrammetrische Aufnahmen.
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KR200234016Y1
(ko)
|
|
입체화상 구현이 가능한 앨범
|
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ES142240U
(es)
|
|
Visor plegable para fotografías diapositivas y similares
|
|
JPS63186208A
(ja)
|
|
拡大鏡
|