| | | | | | | | | | | | | 2019 12 31 2020 1 | 8 | | | | | 0471 －6652090 Fax | http://nmt.nmg.gov. | cn/gk/zfxxgk/xxgkml/gsgg/202001/t20200102_162700.html | | | | 2019 12 31 |