International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research ..
Xinhai Mineral Processing Research Institute according to beneficiation test report recommends the best mineral dressing process for customers.
87144. 34231. 87110. 34231. 87144. 32220. 87110. Complete OFO Version 2017 OFO Code Description 2017-1 MANAGERS Managers plan, direct, coordinate and evaluate the overall activities of enterprises, governments and other organizations, or of organizational units within them, and formulate and review their policies, laws, rules and regulations.
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National Industrial Classification [All Economic Activities) 2008 Central Statistical Organisation Ministry of Statistics and