The Origin Of Glass In Ancient China

- Sep 17, 2019-

"China is one of the earliest countries in the world with developed civilization." "the Chinese nation is also a nation with glorious revolutionary tradition and excellent historical heritage."In history, the working people of our country have made many important inventions and creations and contributed to mankind.In accordance with the teachings of the great leader and teacher chairman MAO, under the impetus of the great proletarian cultural revolution, each subject areas with marxism, Leninism, MAO zedong thought as weapons, research and clean up the history of the development of China's science and technology, to clarify the labor people's contributions in science and technology, to further promote the development of science and technology and the prosperity of our country.AT171

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