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DE745393C
|
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Color-free magnifying glass
|
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DE745950C
|
|
Device for testing the tip of drills
|
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DE725298C
|
|
Procedure for checking the position of the glasses relative to the eyes of the wearer
|
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DE725710C
|
|
Orientation compass
|
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DE727177C
|
|
Binocular handheld binoculars with lens protection
|
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DE724466C
|
|
Binocular telescope
|
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US2229302A
|
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Projecting television image
|
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DE724026C
|
|
Television projection tubes
|
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DE727269C
|
|
Aiming device for cannons, machine guns or the like.
|
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DE326634C
|
|
Process for providing raw glass pieces to be ground with handles
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DE336521C
|
|
Method of attaching rimless eyeglasses to metal fittings
|
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DE646673C
|
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Connection of a photographic camera with a prism binoculars
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