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专利国别 | Geneva | 专利名称 | Welding consumables - Covered electrodes for manual metal arc welding of non-alloy and fine grain steels - Classification | 专利号 | ISO 2560 | 专利链接 | http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=45947 | 标准国别 | Geneva | 标准类别 | Welding Consumables | 标准名称 | Welding consumables - Covered electrodes for manual metal arc welding of non-alloy and fine grain steels - Classification | 标准号 | ISO 2560 | 标准年份 | 2009 | 标准链接 | http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=45947 |
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