|
GB1348-88 ISO1083:1987(E)
QT400-18 Gr.900-2
QT400-15 Gr.800-2
QT450-10 Gr.700-2
QT500-7 Gr.600-3
QT600-3 Gr.500-7
QT700-2 Gr.450-12
QT800-2 Gr.400-15
QT900-2 Gr.400-18
Gr.350-22 |
|
GB9349-88 IS0185:1988(E)
HTl50 Gr.150
HT200 Gr.200
HT250 Gr.250
HT300 Gr.300
HT350 Gr.350
|
