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GB191407918A
|
|
Improvements in or relating to Fireproof Floors, Roofs and the like.
|
|
GB191407919A
|
|
Improvements in or relating to the Manufacture of Pipes, Tiles, Building Blocks and the like.
|
|
CA140949A
|
|
Mould
|
|
GB191127390A
|
|
Improvements in Casting Apparatus.
|
|
GB190930169A
|
|
Improvements in or relating to Tile Making Machines.
|
|
GB190930168A
|
|
Improvements in or relating to Apparatus Employed in the Manufacture of Concrete Blocks, Tiles and the like.
|
|
GB190930167A
|
|
Improvements in or relating to Apparatus for Forming Artificial Stone Building Blocks, Pipes and the like.
|
|
GB190930170A
|
|
Improvements in or relating to Apparatus for Moulding Cementitious and similar Articles.
|
|
GB190804566A
|
|
Improvements in Apparatus for Forming Building Blocks and Artificial Stone from Plastic Material.
|
|
GB190601922A
|
|
Improvements in Concrete-block Forming Machines.
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