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OA326A
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Machine for centrifugally manufacturing cement pipes and other applications.
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GB969178A
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Improvements in or relating to fluid tight sealing devices for pipes
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GB896755A
|
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Centrifugal moulding machine for the manufacture of cement pipes and the like
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US3087222A
|
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Centrifuging machine for the manufacture of cement pipes and other applications
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FR1256675A
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Device for assembling a cylindrical mold
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FR1161607A
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Casing for centrifugal pipe making machine
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FR69615E
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Improvements to machines for manufacturing pipes by centrifugation
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FR1135534A
|
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Improvements to machines for manufacturing concrete pipes by centrifugation
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