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Improvements relating to reusable, fire-proof cladding in areas of high fire hazard
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Struts
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Interlocking lagging for use with mine roadway supports
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Yielding corner brackets for use with mine roadway supports
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Yielding stilts for use with mine roadway supports
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Struts for use with mine roadway supports
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Mine roadway support components
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Yielding support stilts in mine roadways
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Tubular mine roadway support stilts
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Mine roadway support struts
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Struts to resist lateral strata pressures between mine roadway supports
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Yielding stilts for mine roadway
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Incombustible dust spreaders in mines
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Low pressure pneumatic stower
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Improvements in air stopping in underground mines
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Filters for removing airborne dust
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Supplementary roadway supports
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