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{{Catalog History}} | {{Catalog History}} | ||
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The | The {{Title|General Radio 1604-B Comparison Bridge}} was introduced in {{Catalog N}} and remained available through {{Catalog O}}. | ||
The General Radio 1604-B Comparison Bridge was introduced in 1954 Catalog N and remained available through Catalog O 1956. | The General Radio 1604-B Comparison Bridge was introduced in 1954 Catalog N and remained available through Catalog O 1956. |