device for preventing the penetration of foreign bodies and ensure the implementation and permit the restraint of lubricant in auto orientabili twinned wheels

• 1. 无线网状网络中实施通路为基础话务流允许控制方法及装置 [P] . 中国专利： CN101707787A . 2010-05-12
• 2. 防止上覆透水土层中的水渗入刚性排水管/监测管的装置 [P] . 中国专利： CN108677920B . 2019.08.30
• 3. device for preventing the penetration of foreign bodies and ensure the implementation and permit the restraint of lubricant in twinned wheels [P] . NO304484B1 . 1998-12-28

  机译： 防止异物渗入并确保实施并允许润滑剂限制在双轮中的装置

• 4. device for preventing the penetration of foreign bodies and ensure the implementation and permit the restraint of lubricant in twinned wheels [P] . ITBO930202U1 . 1995-03-24

  机译： 防止异物渗入并确保实施并允许润滑剂限制在双轮中的装置

• 5. device for preventing the penetration of foreign bodies and ensure the implementation and permit the restraint of lubricant in twinned wheels [P] . NO943541L . 1995-03-27

  机译： 防止异物渗入并确保实施并允许润滑剂限制在双轮中的装置

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• 1. 环保锻造润滑剂及自动喷雾装置的应用 [C] . 孙甲利 ,王爱颂 . 中国锻压协会2007年锻压润滑技术与模具延寿培训研讨会 . 2007
• 2. 近水平定向钻机钻杆自动存储装置及配套钻具研究 [A] . 王坤 . 2018