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Uniform four-foot length split set roof bolts vs. Uniform four-foot length fully grouted resin roof bolts : Maher, J USBM OFR 43–78, 31 Jan 1977, 379P


Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
99 KB
Volume
15
Category
Article
ISSN
0148-9062

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