共 50 条
- [2] A MODIFIED 2-CHANNEL TUBE FOR EXAMINATION OF PANCREATIC EXCRETORY FUNCTION LABORATORNOE DELO, 1986, (05): : 312 - 313
- [3] 2-CHANNEL DISPERSIONLESS ANALYZER WITH AN X-RAY TUBE INDUSTRIAL LABORATORY, 1968, 34 (06): : 896 - &
- [10] ASTRONOMICAL 2-CHANNEL PHOTOMETER SOVIET JOURNAL OF OPTICAL TECHNOLOGY, 1988, 55 (10): : 626 - 628