Can anyone help identify the country, manufacturer and years of operation?

[Nata37]

Hello! Can anyone help identify the country, manufacturer and years of operation?

[oel]

Hi, for openers see Sweden
https://www.925-1000.com/Fsweden_Date_Code.html
Actually not made in Sweden but imported into Sweden, the triple crown in a horizontal oval frame-shape, this import mark was discontinued in 1988.

Peter.