Ingram Model 6 [SEP] service entry
What year did Ingram Model 6 come into use? What was the year that Ingram Model 6 entered service? What year was Ingram Model 6 commissioned? What year was the service entry date for Ingram Model 6? In which year was the service entry date for Ingram Model 6? What year was Ingram Model 6 introduced? What year is Ingram Model 6 associated with? In what year did Ingram Model 6 enter service?
1949
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Section::::Abstract.
Ingram Model 6
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