螺旋法制做大规格榫槽型法兰石棉垫及应用
Tenon-typed Flange Asbestine Mat of Large-standard Made by Helix Method And Its Application
柔性石墨密封材料制作法兰密封垫机理研究
Study on Principle of Designing a Flange Gasket with Flexible Graphite Sealing Material
GB/T6071.3-1985超高真空法兰用铜密封垫
Ultra-high vacuum flange & Copper seal gaskets