impregnated cathode 中文意思是什麼
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L - sagic low power - small aperture g1 wiht impregnated cathode
低電壓光圈陰極管 -
Ticrg : tungsten impregnated cathode ray gun
鎢傳輸陰級射線槍 -
Ticrg tungsten impregnated cathode ray gun
鎢傳輸陰級射線槍
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