Suomi KP/-31 [SEP] service entry
Which was the official year for the approval of Suomi KP/-31? In what year did Suomi KP/-31 enter service? What year did Suomi KP/-31 come into use? What year was Suomi KP/-31 introduced? What year is Suomi KP/-31 associated with? What was the year that Suomi KP/-31 entered service? In which year was the service entry date for Suomi KP/-31? What year was Suomi KP/-31 made? What year was the service entry date for Suomi KP/-31?
1931
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Section::::History.

Suomi KP/-31
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