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DE897653C
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Device on film developing machines
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DE898397C
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Track for film recorders
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DE898545C
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Cutting table
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DE899869C
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Method of measuring the opacity of colors
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DE932600C
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System for utilizing the fresh water of an end user in a preliminary system
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DE868847C
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Synchro-drawing device for audio recording
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DE906069C
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Bracket for removable decorative walls
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DE913240C
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Screen for projection
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DE915180C
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Loudspeaker for image projection
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DE897652C
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Control device for monitoring switching processes
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DE897651C
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Safety device for development systems for cinematographic film tapes
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DE897654C
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Facility for copying color images
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DE898357C
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Device for the utilization of the heat contained in the exhaust air of hot air heating systems in buildings
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DE868848C
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Image sound reproducing device
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DE908465C
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Method and device for creating artificial clouds in the theater or film studio
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DE915300C
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Method for fading cinematographic image sequences, in particular color films
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DE898115C
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Method for producing series images on film strips, in which at least two recording objects are successively exposed on the same image field
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DE898542C
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Recording device for cartoons
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DE918914C
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Method for blending image films when copying, especially color films
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DE943908C
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Method and device for color measurement
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