TKS [SEP] service entry
What year was TKS introduced? What year is TKS associated with? What year was TKS commissioned? In which year was the service entry date for TKS? What year was the service entry date for TKS? What was the year TKS entered service? What year did TKS come into use? Which was the official year for the approval of TKS? What year was TKS made?
1931
-1
Section::::Design and development.

TKS
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