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NZ329286A
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Pre-cast concrete slabs in the construction of exterior walls comprises concrete panel with polystyrene foam insulating layer attached thereto
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GB1539179A
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Production of preformed panels of bricks
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CA935976A
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Concrete elements and the production thereof
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ZA7101485B
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Improvements in and relating to concrete elements and the production thereof
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GB1221973A
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Staircase unit and a mould for making said unit
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GB1058082A
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Improvements in or relating to casting moulds
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GB888275A
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Improvements in or relating to electrical cable ducting
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GB877467A
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Improvements in or relating to concrete structures
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GB869696A
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Improvements in or relating to re-inforced concrete units
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GB847298A
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Improvements in or relating to building structures
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GB869260A
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Improvements in or relating to building structures
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GB854448A
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Improvements in or relating to stressing beds for the manufacture of pre-stressed concrete members
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GB849814A
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Improvements in or relating to pre-stressed concrete elements
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GB813371A
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Improvements in or relating to building structures
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GB803000A
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Improvements in or relating to the manufacturing of building columns
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GB758116A
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Improvements in or relating to concrete structures
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GB796282A
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Improvements in or relating to concrete moulds
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GB749686A
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Improvements in or relating to the suspension of ceilings in building
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GB766252A
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Improvements in or relating to concrete structures
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GB364182A
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Improvements appertaining to the production of fireproof floors
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