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GB798231A
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Moulding cores for use in moulding hollow concrete and similar members
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GB723912A
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Improvements in or relating to moulding cores for use in moulding hollow concrete and similar members
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GB734770A
|
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Improvements in or relating to concrete floors, roofs and the like structures
|
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GB712612A
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Improvements in or relating to moulding cores
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DE817110C
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Mold core for the production of molded hollow bodies
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US2664613A
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Molding core
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GB685131A
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Improvements in or relating to concrete floors, roofs and the like and to prestressed reinforced beams therefor
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GB682305A
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Improvements in moulding cores
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GB433463A
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An improved method of making concrete walls
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GB328644A
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Improvements in and relating to shuttering for use in concrete and similar building construction
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