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3648x2736px
potensiometer, instrumen, tombol, volume, alat modulasi, frekuensi, musik, tali
Public Domain
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4769x3229px
soviet, radar, tabung, kekosongan, alat modulasi, tetrode, dingin, perang
Public Domain
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4950x3300px
soviet, radar, tabung, kekosongan, alat modulasi, tetrode, dingin, perang
Public Domain
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4498x2895px
soviet, radar, tabung, kekosongan, alat modulasi, tetrode, dingin, perang
Public Domain
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4962x3308px
soviet, radar, tabung, vakum, modulator, kekosongan, alat modulasi, tetrode, dingin
Public Domain
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4256x2832px
botol minuman keras bacardi, pembakaran, modulasi, bar, Bacardi, memori hanya baca, alkohol, minum
Public Domain
