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{{GR Product | {{GR Product | ||
|model=720-A | |model=720-A | ||
|codes=FANCY | |||
|class=frequency standards and meters | |class=frequency standards and meters | ||
|summary=Frequency Meter | |summary=Frequency Meter | ||
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|introduced=1945 | |introduced=1945 | ||
|discontinued=1959 | |discontinued=1959 | ||
|designers= | |designers=Eduard Karplus | ||
|manuals= | |manuals= | ||
* [[Media:720-A Frequency Meter.pdf|General Radio 720-A Manual]] | * [[Media:720-A Frequency Meter.pdf|General Radio 720-A Manual]] |