共 50 条
- [1] EVALUATION OF A MCNARRY-TYPE OMEGATRON ON AN OIL-FREE HIGH-VACUUM PUMP AND AN OIL DIFFUSION PUMP NUOVO CIMENTO, 1967, 5 (01): : 216 - +
- [5] DEVELOPMENT OF A NEW TYPE OF OIL-FREE TURBO VACUUM PUMP JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1988, 6 (04): : 2518 - 2521
- [7] MASS SPECTROMETRIC STUDY OF RESIDUAL BACKGROUND IN A VACUUM SYSTEM EMPLOYING AN OIL DIFFUSION PUMP INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1968, (05): : 1187 - &
- [10] DEVICE FOR AUTOMATIC PROTECTION OF A DIFFUSION VACUUM PUMP INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1945, 17 (10): : 670 - 670