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Multidirectional GPS antenna for eccentricity measurement and use method thereof
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Noise reduction device of drilling machine
ZHANG WENGANG, ZHANG ENZHONG, WANG RONG, GONG LIANG, WANG HONGZHEN, GUO CHANG'EN, ZENG CHUNPIN, PENG YUMING, HU JIANBO, LI YUXING
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Year of Publication 18.12.2020
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