Complex sentence: The mine was ordered by the Swedish armed forces in 1982, where it is known as Stridsvagnsmina 6, and an order from Germany was placed for 125,000 mines in 1985.
Split into simpler sentences: The mine was ordered by the Swedish armed forces in 1982, where it is known as Stridsvagnsmina 6. Subsequently, an order from Germany was placed for 125,000 mines in 1985.