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2013, Vol. 50(6): 169-173 DOI:
Advance Blasting Excavation Techniques for Small Pilot Headings in Hard Rock Tunnels
(Liaoning Provincial Department of Water Resources, Shenyang 110003)
Received
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Revised
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Supporting info
Copyright © 2011 Editorial By MODERN TUNNELLING TECHNOLOGY
Supported by:
Beijing Magtech Co.ltd
Email:
support@magtech.com.cn
