CH112923A
(en )
1925-12-01
Machine for the preparation of building construction bodies.
FR600933A
(en )
1926-02-18
Home Building Improvements
ES87972A1
(en )
1924-03-01
Improvements in the manufacture of tiles.
GR814B
(en )
1925-01-28
CEMENT STONE MANUFACTURING SYSTEM FOR THE RECONSTRUCTION OF T-SHEET BUILDINGS.
ES89890A1
(en )
1924-10-01
Masonry tool.
ES97929A3
(en )
1926-12-01
Building construction improvements.
ES98924A1
(en )
1926-10-01
The construction of revolving buildings.
ES96943A1
(en )
1926-04-16
Machine for the intense manufacture of tiles.
ES82393A1
(en )
1923-01-16
Arrangement for the manufacture of concrete construction elements.
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
DK35526C
(en )
1926-01-25
Cement building stone.
DK35154C
(en )
1925-10-19
Cement brick machine.
ES97550A1
(en )
1926-06-16
Improvements in the manufacture of lead compounds.
ES91087A3
(en )
1924-12-01
The manufacture of artificial marble.
ES104693A1
(en )
1927-12-01
Procedure for the production of photoetches.
ES84356A1
(en )
1923-05-16
Procedure for the manufacture of cement.
ES88588A1
(en )
1924-04-16
Improvements in the manufacture of cookies.
ES91828A1
(en )
1925-04-01
Improvements in the manufacture of cookies.
ES90415A3
(en )
1924-09-16
The manufacture of reversible rugs.
ES102233A3
(en )
1927-05-16
Procedure for the manufacture of filleted nails.
DK35585C
(en )
1926-02-08
Brick machine.
ES103688A1
(en )
1927-08-16
Process for the preparation of 1-amino-3-dialkylamino-2-propanolenes.
FR620308A
(en )
1927-04-20
Building construction
ES103912A1
(en )
1927-09-16
Improvements in the manufacture of soaps.
DK41278C
(en )
1929-12-16
Building construction.