Resultados de búsqueda - "Mine roof bolts, Resin."
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Transfer mechanics of full-column resin-grouted roof bolts /
Publicado 1990Materias: “…Mine roof bolts, Resin Testing.…”
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Entry stabilization utilizing rib bolting procedures /
Publicado 1990Materias: “…Mine roof bolts, Resin.…”
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