西门子3VA1340-5EE32-0AA0塑壳3VA1M400 R400 TM220 F/3P 断路器 3VA1 IEC 框架 400 通断能力等级 M Icu=55 kA @ 415 V 3 极，设备保护 TM220，ATFM，In=400A 过载保护 Ir=280A...400A 短路保护 Ii=10 x In 螺钉扁形连接器 3RF2330-1DA443KD0432-2LG20-3 3RF2340-1AA02 3KD0442-2LG20-...
JG Smirniotopoulos,FM Murphy,D Schellinger,... - 《Archives of Neurology》 被引量: 0发表: 1984年 Clinical Analysis of Lumbar Myelography with Metrizamide Metrizamide lumbar myelography were performed in 150 patients with suspected herniated lumbar disc. The examination is easier to perform than...