Russia's President Dmitry Medvedev and China's President Hu Jintao
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Russia and China sign series of energy agreements

China and Russia have signed a series of agreements to boost energy co-operation during a ceremony to open an oil pipeline between the countries.

Leaders of the two nations agreed deals on gas supplies, energy efficiency, renewable energy and nuclear power.

President Dmitry Medvedev is visiting China, where he and President Hu Jintao opened a pipeline that will supply Russian oil under a 20-year deal.

Martin Patience reports.

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