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GB904710A
|
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Improvements in and relating to pipe joints
|
|
GB898884A
|
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Improvements in and relating to means for interconnecting adjacent pipe lengths
|
|
GB886819A
|
|
Improvements in and relating to the production of prestressed concrete sleepers and like bodies
|
|
GB896643A
|
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Improvements in and relating to the casting of concrete or like bodies
|
|
GB808319A
|
|
Improvements in blowing cores for castings
|
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GB776031A
|
|
Improvements in blowing cores for castings
|
|
US2795985A
|
|
Joints in pipes
|
|
GB761473A
|
|
Improvements in the manufacture of concrete pipes having prestressed reinforcement
|
|
GB758872A
|
|
Improvements in the manufacture of concrete pipes with prestressed reinforcement
|
|
GB766557A
|
|
Improvements in and relating to methods and means for casting concrete bodies
|
|
GB776344A
|
|
Improvements in and relating to concrete or other pipes
|
|
GB768351A
|
|
Improvements in foundry moulds
|
|
GB736648A
|
|
Improvements relating to reinforced concrete columns
|
|
GB734135A
|
|
Improvements in or relating to the manufacture of hollow shell cores and moulds for hollow metal castings
|
|
GB722773A
|
|
Improvements in or relating to prestressed reinforced concrete pipes
|
|
GB711084A
|
|
Improvements in or relating to ladle tilting apparatus for casting machines
|
|
GB704083A
|
|
Improvements in or relating to arrangements for filling totally enclosed moulds withconcrete
|
|
GB683239A
|
|
Improvements in or relating to the manufacture of cores and moulds for hollow metal castings
|
|
GB692354A
|
|
Improvements in or relating to centrifugally spun concrete products
|
|
GB692409A
|
|
Improvements in or relating to centrifugally spun concrete products
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