rock bolt
rock n Transp. mining term (Can't see in dicts) [check] Used I and Sup Not used Withdrawn
Format: | Manuscript |
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Language: | English |
Subjects: | |
Online Access: | http://collections.mun.ca/cdm/ref/collection/elrcdne/id/70116 |
Summary: | rock n Transp. mining term (Can't see in dicts) [check] Used I and Sup Not used Withdrawn |
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