Jan 13 (Reuters) - Clean TeQ Holdings Ltd
* Says buys Nippon Gas Japan's 50% shareholding in the Associated Water Joint Venture
* Says buys Nippon Gas Japan's 85% shareholding in the Clean World Japan Joint Venture
* Says will buy the 50% Nippon Gas shareholding for $2 million
* Says agreed to exchange a $3.3 million one time license fee from Nippon Gas Japan for a larger interest in on-going royalty payments
* Source text for Eikon
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