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GB191228110A
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A Method of Constructing a Roof Framework of Reinforced- or Ferro-ceramics.
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GB191227993A
|
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Improvements in Reinforced Building Constructions.
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US1058548A
|
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Construction of armored-concrete floors and ceilings.
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CA146332A
|
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Construction of armoured concrete floors and ceilings
|
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GB191220886A
|
|
Improvements in Floors for Buildings and the like.
|
|
GB191220711A
|
|
Improvements in Floors for Buildings and the like.
|
|
GB191220468A
|
|
Improvements in Floors of Buildings and the like.
|
|
GB190105450A
|
|
Improvements in or relating to Ceiling and like Structures.
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