共 50 条
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- [6] THE NEW RADIATION REGULATIONS AND QUALITY-CONTROL OF X-RAY-EQUIPMENT RADIOLOGE, 1988, 28 (01): : 1 - 1
- [10] SERVICE CONTRACTS FOR X-RAY-EQUIPMENT PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 1982, 347 : 223 - 228