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DE122670C
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DE302265C
(de )
1917-12-11
Lese-und Vortragsmaschine fuer blinde und schlechtsehende
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DE191255C
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1900-01-01
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DE217367C
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DE66330C
(de )
Pneumatische Typenscbreibmaschine
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DE214599C
(de )
1909-10-14
Sprechvorrichtung, bei der der phonogrammtraeger elementare tonbilder, zb solche fuer einzelne silben, enthaelt.
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DE321561C
(de )
1920-06-05
Betonungsvorrichtung mit mehreren Drosselorganen fuer pneumatisch spielbare Musikinstrumente
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DE241610C
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DE372216C
(de )
1923-03-23
Messeinrichtung
DE56817C
(de )
Handstempel zur Erzeugung zweier Drucke
DE266162C
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AT150528B
(de )
1937-09-10
Kunstdruckpapierbogen.