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GB396601A
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Fluorescent screen
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GB407910A
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Rontgen tube
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DE574985C
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Device for clamping photographic films in frames
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DE574865C
|
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Roentgen tubes rotatable around their longitudinal axis
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GB369166A
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Rontgen tubes
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DE558407C
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Silver as a bearing metal
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GB381191A
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Rontgen tube holder proof against high tension and radiation
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DE574376C
|
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Facility for operating Roentgen pipes
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GB372827A
|
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Fluorescent screen
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DE573553C
|
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Facility for operating Roentgen pipes
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DE542484C
|
|
Device for the production of sharply delimited colored fields on foils
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DE554719C
|
|
Electrodes for discharge vessels
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DE571710C
|
|
Facility for operating Roentgen pipes
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GB339908A
|
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Rontgen tube holder
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DE535519C
|
|
Process for the production of sharply delimited colored fields on foils
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DE568158C
|
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Facility for treating patients with high-frequency electrical currents
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GB334818A
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Rontgen ray apparatus
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AT124975B
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Hot cathode x-ray tube.
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GB337247A
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Apparatus for generating rontgen rays
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FR685313A
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Device for passing, in the use of x-rays, these rays through the object in directions differing from each other
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