共 5 条
- [3] Effect of Reinforcements of Square Ports in Thin-walled Cylindrical Pressure Vessels. Quaderno di Ricerca (Milan), 1981, (29): : 10 - 14
- [5] Automatically Controlled Pipe Fittings in Water Supply Plants. Industrie-Anzeiger, 1974, 96 (11): : 226 - 228