“... of the nanocarbons family to become the “heir presumptive” to the long-reigning carbon black....”
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“...Prince Kamal Eldin Hussein was the son of Sultan Hussein Kamel. He was the heir presumptive, but he...”
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“.... This Parliamentary attempt to remove the Catholic heir presumptive from the succession endangered the monarchy...”
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“... of England and VII of Scotland. At this time, James was heir presumptive to his elder brother Charles II...”
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