DK66719C -
Radiation source with an electric gaseous discharge tube and a fluorescent layer as well as a method for producing the fluorescent material.
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Radiation source with an electric gaseous discharge tube and a fluorescent layer as well as a method for producing the fluorescent material.
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DK164746A1945-05-011946-04-27
Radiation source with an electric gaseous discharge tube and a fluorescent layer as well as a method for producing the fluorescent material.
DK66719C
(en)