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Manufacturers
Heathkit C-2
General Radiotelephone VS-2
General Radiotelephone SBT-3
General Radiotelephone MC-5SB
General Radiotelephone CG-1
General Radiotelephone FM-500
General Radiotelephone FM-60
B&K 606
Sonar BR-20
Gemtronics GR-11935
Gemtronics GTX2325
Gemtronics 3325
Gemtronics GTX 11930
Gemtronics GTX 4040
Gemtronics GTX 3323
Gemtronics GTX 66
Gemtronics GTX 55
Gemtronics GTX 44
Gemtronics GTX 36
Gemtronics GTX 23
Gemtronics GTX 3000
Drake AN-5
Drake AL-4
Drake MMK-44
Drake TR-44B
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