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压缩式封隔器胶筒
Compression rubber element for packer
参考页数：22P.;A4
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普通液压系统用O形橡胶密封圈材料
Rubber Compounds of O-Rings used for Hydraulic fluid power System
参考页数：8P.;A4
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耐高温润滑油O形橡胶密封圈
O-rings resistant to high temperature and oil
参考页数：7P.;A4
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耐酸碱橡胶密封件材料
Acid and alkali resistant rubber compounds for seals
参考页数：7P.;A4
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液压传动 聚氨酯密封件尺寸系列 第2部分:活塞杆往复运动密封圈的尺寸和公差
Hydraulic fluid power.Dimensions and tolerances of polyurethane seals.Part 2: Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston rod
参考页数：20P.;A4
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液压传动 聚氨酯密封件尺寸系列 第1部分:活塞往复运动密封圈的尺寸和公差
Hydraulic fluid power.Dimensions and tolerances of polyurethane seals.Part 1:Dimensions and tolerances of seals used in hydraulic reciprocating applications for piston
参考页数：17P.;A4
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