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Expired
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Emil Rosendahl
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Individual
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Individual
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Publication of GB190503969ApublicationCriticalpatent/GB190503969A/en
3969. Rosendahl, E. Feb. 25. Coping blocks; bricks; moulding coping blocks and bricks.-Concrete or like coping stones and bricks g are made with spikes f embedded in them. The mould a is rested on a box d so that the spikes passing through holes c in it project free, and the material is then placed in the mould and rammed down. A board is placed on top of the block before the mould a is removed from the box d and reversed.
GB190503969D1905-02-251905-02-25Process and Contrivance for the Manufacture of Coping-stones with Spikes, for Walls
ExpiredGB190503969A
(en)