LST EN 61674-2013 Medical electrical equipment - Dosimeters with ionization chambers and/or semiconductor detectors as used in X-ray diagnostic imaging
2013LST EN 61674-2013 Medical electrical equipment - Dosimeters with ionization chambers and/or semiconductor detectors as used in X-ray diagnostic imaging
2012SY/T 6128-2012 Procedure for evaluation tests of tubing and casing connection properties
2001LST EN 61674-2001 Medical electrical equipment. Dosimeters with ionization chambers and/or semi-conductor detectors as used in X-ray diagnosis imaging (IEC 61674:1997)
1996SY/T 6238.1-1996 Oil country tubular goods full-scale test method Casing collapse test
1995SY/T 6128-1995 Performance evaluation method of oil casing threaded connection