Practical application of the United Nations Framework Classification for Reserves/Resources : China's new scheme for resources/reserves classification for solid minerals / submitted by the Government of China
1999
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详细记录
符号
[E/ECE/]ENERGY/1999/8/Add.4
标题
Practical application of the United Nations Framework Classification for Reserves/Resources : China's new scheme for resources/reserves classification for solid minerals / submitted by the Government of China
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作者
日期
Geneva : UN, 23 Aug. 1999
描述
6 p. : tables