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The Collaborative International Dictionary
Platin

Platin \Plat"in\, n. (Mach.) See Platen.

Wiktionary
platin

n. (context engineering English) (alternative form of platen English)

Wikipedia
Platin

Platin is a Slovenian duo consisting of married couple Simon Platin and Diana Platin.

They are most known for representing Slovenia at the Eurovision Song Contest 2004 in Istanbul, Turkey where they failed to advance to the final.