共 50 条
- [33] CONTROL EQUIPMENT OBSOLESCENCE JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1977, 69 (09): : 474 - 476
- [35] CHANGE IN HEAT ECONOMY OF UNINSULATED HEATING OIL TANK BY RESTRUCTURING OF HEATING EQUIPMENT CHEMISCHE TECHNIK, 1976, 28 (06): : 379 - 380
- [39] DEVELOPMENTS IN CABLE MANUFACTURING EQUIPMENT AND IN CONTROL AND MEASURING EQUIPMENT PLASTICS & POLYMERS, 1968, 36 (121): : 57 - &