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Summary
Explains the origin of several mechanical inventions. Publication Date 2006 Languages Mongolian Contributor Government of Mongolia Ministry of Education, Culture and Science - Mongolia Publisher Munkhiin Useg Printing Company - Mongolia ![]() Copyright held by - Munkhiin Useg Printing Company. This work is made available with the permission of the owner of copyright. ISBN 99929-1-070-4 Policies Link to This Book |