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由河南省沁阳市造纸厂和洛阳矿山机械研究所共同研制的φ420×100、φ700×125小型辊压机,在通过河南省科委组织的鉴定后,目前
From Qinyang City, Henan Province, paper mills and Luoyang Mining Machinery Research Institute co-developed φ420 × 100, φ700 × 125 small roller press, through the identification of Henan Province Science and Technology Organization, the current