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杠杆-铰杆二级增力手动液压千斤顶
付春梅, 钟康民
Manual Hydraulic Jack with Two-step Force Amplifier Using Lever-toggle
FU Chun-mei, ZHONG Kang-min
液压与气动 . 2012, (10): 102 -104 .  DOI: 10.11832/j.issn.1000-4858.2012.10.032