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Preparation and application of water-soluble grease for hydraulic support assembly
Zhai Jing1,2,3, Wang Yuchao1,2,3, Zhao Xinnan1,2,3, Yu Xiaofeng1,2,3, Xia Zhuofei1,2,3
1. Mine Oil Products Branch, Coal science and Technology Research Institute Ltd., Beijing   100013, China; 2. Coal Resources Exploitation and the State Key Laboratory of Environmental Protection, Beijing   100013, China; 3. National Energy Key Laboratory of Coal Efficient Use and Energy Conservation and Emission Reduction Technology Equipment, Beijing 100013, China


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