US2590274A
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Blasting switch
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US2349542A
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Recovery of glue from chrometanned leather
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US2238514A
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Building construction
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GB522271A
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Method of producing hydrated calcium silicate minerals and products thereof
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GB501024A
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Light weight structural materials and method of manufacturing same
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GB466995A
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Improvements in or relating to bundling apparatus
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GB469856A
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Apparatus for grinding the edges of wallboard
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GB437693A
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Improvements in or relating to wall constructions
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GB439998A
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Improvements in or relating to wall construction and to wallboards for use therein
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GB436415A
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Improvements in or relating to wall or ceiling construction
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GB439304A
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Improvements in or relating to wallboard joints
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GB416269A
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Improvements in or relating to the packing of wallboard and the like and clips therefor
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GB429084A
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Improvements in or relating to wallboard
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GB429380A
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Improvements in or relating to the manufacture of wallboard
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GB413548A
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Aeration of slurry
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GB392780A
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Calcination of gypsum
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GB385565A
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Improvements in and relating to the packing of wallboard and the like and clips therefor
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US1932359A
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Sound absorbing material
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US1932358A
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Wall construction and securing means therefor
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US1880188A
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Method of and apparatus for making wall board
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