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DIN 8165-2018 Conveyor chains with solid pins and attachments - Type FV2023-06-24

ETSI GR IP6 031-2020 Ipv6 Security, Cybersecurity, Blockchain2023-05-27

GB/T 24503-2009礦用圓環(huán)鏈驅(qū)動(dòng)鏈輪Mining-drive sprocket for chains(round link)2022-06-15

ANALYSIS OF BRANCHING DISTRIBUTION IN POLYETHYLENES BY DIFFERENTIAL SCANNING CALORIMETRY2020-12-06

河南省“鹽生活”連鎖項(xiàng)目建設(shè)研究2020-11-06

河南省農(nóng)產(chǎn)品冷鏈物流發(fā)展研究2020-11-06

基于RAFT聚合策略合成功能化聚烯烴嵌段聚合物的研究進(jìn)展2020-08-11

shell 煤氣化撈渣機(jī)故障分析及解決措施2020-07-12

Orientations of special water dipoles that accelerate water molecules exiting from carbon nanotube2020-07-08

States of Water in Hydrogels Containing with Glyceryl Methacrylate2020-07-08

國(guó)內(nèi)外非晶型α-烯烴共聚物(APAO)結(jié)構(gòu)性能的對(duì)比2020-03-23