Versions of s. 7(3.6)(c)
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uranium containing uranium-233 or uranium-235 or both in such an amount that the abundance ratio of the sum of those isotopes to the isotope uranium-238 is greater than 0.72 per cent,
uranium containing uranium-233 or uranium-235 or both in such an amount that the abundance ratio of the sum of those isotopes to the isotope uranium-238 is greater than 0.72 per cent,