Specifications
| graphics | Checkerboard |
| graphics parameters | 25x25mm |
| Glass size | 250x100mm |
| execution standard | GB1726-88 |
| number of grids | 16 |
Packing list
After-sales instructions
None
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/22117/Specification.html , which is only used by users who purchase commodities from the NBCHAO.