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Gustave Chenot
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25,584. Chenot, G. Nov. 13. Bricks.-Hollow cast-iron bricks 6 for filtering- wells are fitted with pulleys 9, 12 for ropes 7 which are used for lifting sheet-iron casings 1 used in construction. Bolts 5 engage with holes in casings, and an end plate 5 closes the brick.
GB190625584D1906-11-131906-11-13Improvements in Filtering-wells.
ExpiredGB190625584A
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