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BUILDING UNIT FOR ERECTION OF MASONRY WORKS WITHOUT ANY MASONRY MORTAR
BUILDING UNIT FOR ERECTION OF MASONRY WORKS WITHOUT ANY MASONRY MORTAR
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机译:没有任何砌筑砂浆的砌筑工程建筑单位
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Building stones (1) for dry walls with a roughly rectangular or square base area as viewed in plan view. On their top side, the building stones (1) have at least one frame-like prominence (3) on which the building stones (1) above them lie. IMAGE
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