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DE406920C
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Cathode for high vacuum tubes
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DE390479C
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High vacuum pipes, in particular Roentgen pipes, valve pipes, transmitter pipes or reinforcement pipes
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DE371895C
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Cooling device for electrodes of vacuum tubes
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DE363915C
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Heat dissipating device for electrodes of vacuum tubes
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DE331423C
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X-ray cathode for lily field tubes with an insulator tube made of material with a high melting temperature, arranged inside the cathode
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DE356163C
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High vacuum vent tube
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DE369684C
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Process for electrical dust precipitation from gases with the participation of a condensation process
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DE331424C
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High vacuum pipes, in particular X-ray pipes
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DE331421C
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Device for cooling Roentgen pipes with still and circulating water
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DE332644C
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X-ray tubes for generating X-rays of any adjustable degree of hardness independent of the vacuum
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DE331931C
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X-ray tubes for generating X-rays of any adjustable degree of hardness independent of the vacuum
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DE332513C
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X-ray cathode for lily field tubes
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DE328834C
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High vacuum roentgen tube with a diaphragm placed in the path of the cathode rays
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