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Just show grand | presen...
From August 1 to 3, 2022, "The 33rd International Refri...
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Release of major pollutants from Ganghe Petroleum (Yingkou) ...
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Application of synthetic...
The development direction of metal working liquid is to have...
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Thermosetting plastic polyurethane elastomer material collec...
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There are many applications of surfactants in the petroleum ...
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2021 Polymethyl methacry...
Polymethyl methacrylate (PMMA), commonly known as plexiglass...
