ıt was discovered by ramsay and travers in 1898

listen to the pronunciation of ıt was discovered by ramsay and travers in 1898
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Definition von ıt was discovered by ramsay and travers in 1898 im Englisch Englisch wörterbuch

It was discovered by Ramsay and Travers in 1898
xenon
It was discovered by Ramsay and Travers in 1898
krypton
ıt was discovered by ramsay and travers in 1898
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