The international mountaineering community has this statement: “14 8000 meters is a clim.......
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The invention belongs to the manufacturing technology of fuel ce.......
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From February to August this year, the reporter successively par.......
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The packaging industry is one of the largest polluting and waste.......
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The Japanese company Seiko EPSON demonstrated its panels made of.......
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First, we must pay close attention to technological investment i.......
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Beginning next year, the Japanese government will assist in the .......
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In the huge variety of new materials, people pay special attenti.......
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The China Packaging Association Paper Products Packaging Committ.......
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Honeycomb paperboard is welcomed by the market for its character.......
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