详细说明：

西门子屏TP177,6AV66420BC011AX1现货特价
6AV66420BC011AX1  
6AV66420BD013AX0 

6AV66420BC011AX1  
6AV66420BD013AX0  
6AV66420BD013AX0 
6AV66420DC011AX1 
6AV66430AA011AX0 
6AV66430CB011AX1 
6AV66430DB011AX1
6AV66430DB011AX1 
6AV66430DD011AX1   

TP177,6AV6640-0CA11-0AX1

6ES5，6ES7，6AV，6SE70，6RA70，6ED，6GK，6EP，6XV，6SN,6DR,7MH,7ML!

6AV66420AA110AX1 
6AV66420BA011AX1  
6AV66420BC011AX1 
6AV66420BD013AX0 
6AV66420DA011AX1 
6AV66420DC011AX1

6AV6643-0BA01-1AX0
6AV6643-0AA01-1AX0
6AV6643-0CD01-1AX1
6AV6643-0DD01-1AX1
6AV6643-0DB01-1AX1
6AV6644-0AA01-2AX0
6AV6644-0AB01-2AX0
6AV6644-0BA01-2AX1
6AV6642-0AA11-0AX1
6AV6642-0BC01-1AX1

6AV6542-0AG10-0AX0 6AV6542-0BB15-2AX0
6AV6542-0CA10-0AX0 6AV6542-0CC10-0AX0
6AV6542-0DA10-0AX0 6AV6545-0AA15-2AX0
6AV6545-0AG10-0AX0 6AV6545-0AH10-0AX0
6AV6545-0BA15-2AX0 6AV6545-0BB15-2AX0
6AV6545-0CC10-0AX0 6AV6545-0DA10-0AX0
6AV6545-0DB10-0AX0 6AV6545-0BC15-2AX0
6AV6545-0CA10-0AX0 6AV6645-0AA01-0AX0
6AV6645-0AB01-0AX0 6AV6645-0AC01-0AX0
6AV6645-0BA01-0AX0 6AV6645-0BB01-0AX0
6AV6645-0BC01-0AX0 6AV6645-0CA01-0AX0
6AV6645-0CB01-0AX0 6AV6645-0CC01-0AX0
6AV6640-0AA00-0AX0 6AV6640-0BA11-0AX0
6AV6640-0CA01-0AX0 6AV6640-0CA11-0AX0
6AV6640-0DA11-0AX0 6AV6641-0AA11-0AX0
6AV6641-0BA11-0AX0 6AV6641-0CA01-0AX0
6AV6642-0AA11-0AX0 6AV6642-0BA01-1AX0
6AV6642-0BC01-1AX0 6AV6642-0DA01-1AX0
6AV6642-0DC01-1AX0 6AV6643-0AA01-1AX0
6AV6643-OBA01-1AX0 6AV6643-0CB01-1AX0
6AV6643-0CD01-1AX0 6AV6643-0DB01-1AX0
6AV6643-0DD01-1AX1 6AV6644-0AA01-2AX0
6AV6644-0AB01-2AX0 6AV6644-0BA01-2AX0
6AV3688-3AA03-0AX0 6AV3688-3CD13-0AX0
6AV3688-3ED13-0AX0 6AV6381-1BC06-0CV0
6AV3017-1NE30-0AX0 6AV3607-1JC00-0AX1
6AV3607-1JC20-0AX1 6AV3607-1JC30-0AX1
6AV3637-1PL00-0AX0 6AV3627-1QL00-0AX0
6AV3515-1MA20-1AA0 6AV3637-1LL00-0AX1
6AV3617-1JC00-0AX1 6AV3617-1JC20-0AX1
6AV3617-1JC30-0AX1
6AV3503-1DB10