GB853833A
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Improvements in and relating to machines for making concrete pipes by the centrifugal process
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GB833944A
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Methods of and means for forming radiused objects, e.g., pipe bends or kerbs of concrete or like material
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GB841787A
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Improvements in and relating to machines for making concrete pipes by the centrifugal process
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GB799981A
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Improvements in and relating to centrifugal pipe casting machines
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GB561379A
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Improvements in or relating to the centrifugal moulding of concrete products
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GB497046A
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Improvements relating to centrifugal moulds
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GB430367A
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Improvements in or relating to pipe moulding machines
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DE412683C
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Centrifugal casting device
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DE372514C
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Machine for the production of pipes, pipe sections, etc. Like. Made of cement or similar malleable masses by centrifugal force in circular shapes
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DE421197C
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Centrifugal casting machine for the production of pipes
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