NL250961A
(en)
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Method
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CH384788A
(en)
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Continuous winding process
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FR1181608A
(en)
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Concrete block
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FI29671A
(en)
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Method for specifying building blocks
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FR1236539A
(en)
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Advanced tiles
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FR1235637A
(en)
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Concrete block
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AT247696B
(en)
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Conservation method
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FI32534A
(en)
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Method for making building boards
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ES68419Y
(en)
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Precast facade block
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FR1209763A
(en)
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Building construction process
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ES65680Y
(en)
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Blocks with seam for building
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FR1207251A
(en)
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Advanced brick
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FR78145E
(en)
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Muselet
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FI33160A
(en)
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The method produces lightweight concrete
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ES66988Y
(en)
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Apparatus for making poles
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FI32318A
(en)
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Method for the preparation of oxyketones
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GR18712B
(en)
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METHOD OF CONSTRUCTION FOR CELLULAR Bricks.
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ES68270Y
(en)
|
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Improved tool for masonry
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CH369775A
(en)
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Form block
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ES68977Y
(en)
|
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Tile
|
FI29476A
(en)
|
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Cement brick
|
FI32506A
(en)
|
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Bleaching method
|
FR1215171A
(en)
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Advanced vibrator
|
FI29531A
(en)
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Method for preparing the ester
|
FI29530A
(en)
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Method for preparing the ester
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