DK36069C
(en )
1926-05-31
Procedure for so-called pore pressing of shaped objects in the brick and cement industry.
DK35175C
(en )
1925-10-19
Procedure for the manufacture of burnt building materials and the like of clay.
ES97126A1
(en )
1926-04-16
An improvement in the manufacture of cement and asbestos plates.
FR580178A
(en )
1924-10-31
Advanced brick for floors, ceilings and other applications
ES98870A1
(en )
1926-10-01
Special cement for the manufacture of tiles and other items.
DK37924C
(en )
1927-09-05
Procedure for the manufacture of molds and other utensils for use in the glass industry.
ES90548A1
(en )
1924-12-01
An improvement in the manufacture of cement and asbestos plates.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
DK41348C
(en )
1929-12-23
Procedure for Use in the Manufacture of Rectifier Elements.
DK37476C
(en )
1927-05-16
Concrete slab for building use and method for manufacturing the same.
DK36219C
(en )
1926-07-05
Procedure for the manufacture of products which can be used in ordinary tanneries and white tanneries.
DK46062C
(en )
1932-08-15
Procedure for the manufacture of moldings and the like of ceramic masses.
ES88827A1
(en )
1924-04-16
A procedure for the manufacture of porous stones and concrete.
DK37659C
(en )
1927-07-04
Method of Making Cement.
ES124318A3
(en )
1931-11-16
Procedure for molding pieces of concrete, mortar and other similar mixtures.
DK55967C
(en )
1939-03-20
Procedure for the manufacture of cement or concrete articles.
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
DK35420C
(en )
1925-12-21
Apparatus for drainage of timber and the like.
DK35588C
(en )
1926-02-08
Method and Casting for the Production of Aerated Concrete.
DK39311C
(en )
1928-10-01
Procedure for the production of cement concrete mixtures.
ES94596A1
(en )
1925-11-01
An improvement in the manufacture of decorative elements with cement and asbestos plates.
ES87972A1
(en )
1924-03-01
Improvements in the manufacture of tiles.
DK40124C
(en )
1929-05-06
Method for the manufacture of base-exchanging materials for use in softening and purifying water.
ES100674A1
(en )
1927-02-01
A procedure for the manufacture of cement and asbestos siphons.
DK33754C
(en )
1924-10-13
Procedure for treating the surface of masonry and artificial stone.