用户名: 密码: 验证码:
Survey of the Present Situation of Mineral Reserves Utilization and Database Construction
详细信息   
摘要
This article makes an approach to methodology and technical requirements of survey of the present situation of mineral reserves utilization and database construction.

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700