Type 139 patrol trawler [SEP] service entry
What year was Type 139 patrol trawler introduced? What year was Type 139 patrol trawler commissioned? What was the year that Type 139 patrol trawler entered service? What was the year Type 139 patrol trawler entered service? What year was the service entry date for Type 139 patrol trawler? In what year did Type 139 patrol trawler enter service? What year did Type 139 patrol trawler come into use? Which was the official year for the approval of Type 139 patrol trawler? What year was Type 139 patrol trawler made? In which year was the service entry date for Type 139 patrol trawler?
1956
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Section::::History.

Type 139 patrol trawler
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