| Type: | Private |
| Established: | 1994 |
| Website: | www.nagaoka-id.ac.jp/ |
| Grading system | |
| Location: |
千秋4丁目197番地
Nagaoka-Shi ( 長岡市 ) 940-2088 Niigata-Ken Japan |
| Phone: | 0258-21-3311 |
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