|
DK16478C
(en)
|
|
Procedure for the production of granite or similar stone mortar.
|
|
CH63287A
(en)
|
|
Hollow cement stone
|
|
FR449223A
(en)
|
|
Interlocking ceramic tiles
|
|
DK16028C
(en)
|
|
Procedure for the production of artificial stone.
|
|
DK20541C
(en)
|
|
Procedure for the production of artificial stone.
|
|
DK17177C
(en)
|
|
Procedure for the production of artificial stone.
|
|
DK20805C
(en)
|
|
Molds for the production of concrete buildings.
|
|
DK17188C
(en)
|
|
Procedure for Increasing the Porosity of Plaster Mortar.
|
|
DK20158C
(en)
|
|
Apparatus for the manufacture of cement piles.
|
|
DK16601C
(en)
|
|
Slabs for the manufacture of factory-made buildings.
|
|
DK17296C
(en)
|
|
Procedure and Form for the manufacture of cork insulation stones and building construction parts.
|
|
AT75511B
(en)
|
|
Reinforced brick masonry.
|
|
DK17787C
(en)
|
|
Method of Making Cement.
|
|
DK21136C
(en)
|
|
Procedure for the manufacture of Portland cement.
|
|
CH68126A
(en)
|
|
Shaped stone for the production of reinforced hollow concrete ceilings
|
|
DK14775C
(en)
|
|
Procedure for the production of artificial stone.
|
|
DK17131C
(en)
|
|
Machine for the production of slate and the like.
|
|
CH62750A
(en)
|
|
Hollow stone ceiling
|
|
DK22958C
(en)
|
|
Cast Building Stone with Cladding of Artificial Granite.
|
|
DK19964C
(en)
|
|
Procedure for the manufacture of concrete or reinforced concrete piles.
|
|
DK17711C
(en)
|
|
Machine for the production of roof tiles and other plate-shaped articles of cement and other suitable mixtures.
|
|
DK16637C
(en)
|
|
Procedure for the manufacture of clunkers.
|
|
DK23572C
(en)
|
|
Procedure for the manufacture of hulls of reinforced concrete.
|
|
CH70567A
(en)
|
|
Hollow stone concrete ceiling
|
|
CH71767A
(en)
|
|
Hollow stone concrete ceiling
|