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西門子840D/DE數控伺服系統NCU主板：
NCU 571.2 6FC5357-0BB11-0AE0
NCU 571.3 6FC5357-0BB11-0AE1
NCU 571.3 6FC5357-0BB13-0AA0
NCU 571.3 6FC5357-0BB13-0AA1
NCU 571.4 6FC5357-0BB14-0AA0
NCU 571.4 6FC5357-0BB12-0AE0
NCU 571.5 6FC5357-0BB15-0AA0
NCU 572.2 6FC5357-0BB21-0AE0
NCU 572.2 6FC5357-0BB21-0AE1
NCU 572.2 6FC5357-0BB52-0AE0
NCU 572.3 6FC5357-0BB22-0AE0
NCU 572.3 6FC5357-0BB23-0AA0
NCU 572.3 6FC5357-0BB23-0AA1 
NCU 572.4 6FC5357-0BB23-0AE0
NCU 572.4 6FC5357-0BB24-0AA0
NCU 572.5 6FC5357-0BB25-0AA0
NCU 573.2 6FC5357-0BB31-0AE0
NCU 573.2 6FC5357-0BB33-0AE0
NCU 573.2 6FC5357-0BB33-0AE1
NCU 573.2 6FC5357-0BB53-0AE1
NCU 573.3 6FC5357-0BB33-0AE2
NCU 573.3 6FC5357-0BB33-0AE3
NCU 573.3 6FC5357-0BB33-0AA0
NCU 573.3 6FC5357-0BB33-0AA1
NCU 573.4 6FC5357-0BB34-0AA0
NCU 573.4 6FC5357-0BB34-0AE0
NCU 573.4 6FC5357-0BB34-0AE1
NCU 573.5 6FC5357-0BB35-0AA0
NCU 573.5 6FC5357-0BB35-0AE0
NCU 561.4 6FC5356-0BB12-0AE0 
NCU 573.5 6FC5357-0BB35-0AE0
6FC5247-0AA00-0AA3
NCU box for accommodating the NCU561.5/571.5/572.5/573.5 
NCU 561.5 6FC5356-0BB15-0AA0 
NCU 571.5 6FC5357-0BB15-0AA0 
NCU 572.5 6FC5357-0BB25-0AA0 
NCU 573.5 6FC5357-0BB35-0AA0
西門子840D/SL數控伺服主板NCU710.2/720.2/720.2PN/730.2/730.2PN
NCU 710.2 6FC5371-0AA10-0AA1
NCU 720.2 6FC5372-0AA00-0AA1
NCU 720.2PN 6FC5372-0AA01-0AA1
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