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DE4118523A1
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AXIAL-SYMMETRICAL JOINT CONNECTION OF HIGH THERMAL LOADABILITY
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FR2726356A1
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Targetting device for guided missile
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DE4007640A1
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USE OF ALUMINUM NITRIDE AS A MATERIAL FOR A PRESSING TOOL FOR THE PRODUCTION OF OPTICAL COMPONENTS
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TAPERED ULTRASONIC DEFLECTING ELEMENT
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Projector for video colour picture - has three mutually inclined mirror faces in intersection point of partial light current axes
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ATA190689A
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Microphotographic device, preferred for microscope with an interchangeable camera tower
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EP0353495A2
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Arrangement for obtaining an optical image contrast
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DE3919851C1
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Targetting device for guided missile
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DE3904705A1
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Automatic adjustment device for a sighting device
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DE3813035A1
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Automatic lamp changing device for projectors
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DE3730572A1
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Photographic lens
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