共 50 条
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- [34] CALCULATING THE CONDITIONS UNDER WHICH TO PREHEAT THE WELD EDGES FOR HIGH-FREQUENCY WELDING AUTOMATIC WELDING USSR, 1978, 31 (11): : 1 - 5
- [35] HIGH-FREQUENCY WELDING THIN WALL SPIRAL SEAM PIPES FOR PRESSURE IRRIGATION SYSTEMS WELDING PRODUCTION, 1983, 30 (10): : 19 - 21
- [36] DEVELOPMENT OF HIGH-FREQUENCY WELDING FOR NON-FERROUS METAL TUBES - REVIEW AUTOMATIC WELDING USSR, 1973, 26 (01): : 53 - 55
- [37] MASTERING TECHNOLOGY OF STRAIGHT SEAM WELDING OF 159-529 MM DIA TUBES USING RADIO-FREQUENCY CURRENT STAL IN ENGLISH-USSR, 1967, (11): : 944 - &
- [38] EFFECTS OF STABILIZING THE ELECTRICAL PARAMETERS OF A WELDING APPARATUS ON THE QUALITY OF HIGH-FREQUENCY WELDED TUBES AUTOMATIC WELDING USSR, 1986, 39 (08): : 47 - 49
- [39] INCREASING THE QUALITY OF WELDS IN HIGH-FREQUENCY WELDING OF PIPES AS A RESULT OF BLOWING OXYGEN ON THE WELD EDGES WELDING PRODUCTION, 1983, 30 (01): : 19 - 20