FI8247A
(en)
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Incorporating elements for the construction of the building block
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FR526261A
(en)
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Brick
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CH81730A
(en)
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Brick
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FR507414A
(en)
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Building brick
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FR500487A
(en)
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Building material
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FR515153A
(en)
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Building construction
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CH83446A
(en)
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Building construction
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FI7892A
(en)
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Form for the construction of the concrete trace element
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FR505193A
(en)
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Assembly for building elements
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FR502656A
(en)
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Concrete constructions
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FR512333A
(en)
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Construction of mold-tile buildings
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CH83259A
(en)
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Building block
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CH83258A
(en)
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Building block
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FR521292A
(en)
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Construction method of buildings made up of sections or elements
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FR530527A
(en)
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Building brick
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FR505714A
(en)
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building toy elements
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FR22540E
(en)
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building toy elements
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ES69133A1
(en)
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Elements of reinforced concrete floors.
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CH82742A
(en)
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Building wall
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FR525746A
(en)
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Concrete bricks
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CH79758A
(en)
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Building block
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CH79039A
(en)
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Building block
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CH81729A
(en)
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Building block
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FR542417A
(en)
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Brick
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FR518544A
(en)
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Elegie masonry
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