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Adrodd fel Amhriodol

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' Around 1966 the Stantec Zebra computer was moved here. I think it may have been in the same building as the Union. '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

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