共 50 条
- [6] Testing announcements for aluminium conductor fittings. ZEITSCHRIFT DES VEREINES DEUTSCHER INGENIEURE, 1923, 67 : 108 - 108
- [7] STEEL PIPE FLANGES AND FLANGED FITTINGS. American National Standards Institute, Standards, 1977, (B16. 5):
- [9] Technology of Restoration and Strengthening of Stems and Spindle Fittings. Energomashinostroenie, 1982, (08): : 21 - 22