DK49815C
(en )
1935-01-28
Procedure for the Production of Dihydroresorcin.
FR752671A
(en )
1933-09-28
Hydraulic cement
DK54165C
(en )
1938-01-10
Procedure for Treatment of calcareous cementitious materials.
DK55967C
(en )
1939-03-20
Procedure for the manufacture of cement or concrete articles.
FR759565A
(en )
1934-02-05
Cement
DK51042C
(en )
1935-12-16
Procedure for Purification of Corpusluteum Hormone.
DK52255C
(en )
1936-10-05
Method of Making Cement.
DK49432C
(en )
1934-10-22
Procedure and Apparatus for the manufacture of Portland cement and earthenware cement.
FR791301A
(en )
1935-12-07
Cement
DK54295C
(en )
1938-02-07
Method for surface treatment of iron structures.
DK49547C
(en )
1934-11-19
Procedure for Operation of Water Treatment Plants.
DK52566C
(en )
1937-01-11
Method for Making White Cement Clinker.
DK51444C
(en )
1936-03-23
Method of Making Cement.
DK57311C
(en )
1940-02-26
Procedure for Treatment of Magnetic Materials.
DK52007C
(en )
1936-08-10
Procedure for Surface Treatment of Asbestos-Cement Products.
DK56338C
(en )
1939-06-19
Procedure for the manufacture of tiles.
FR766251A
(en )
1934-06-25
Porous concrete sub-roof
FR783973A
(en )
1935-07-20
Construction process for cement terraces
FI14093A
(en )
1932-01-22
Cement brick
ES128310A1
(en )
1932-12-01
Procedure of construction of polished cement pavements.
DK51671C
(en )
1936-05-25
Procedure for Treatment of Textile Materials.
DK50472C
(en )
1935-07-29
Procedure for the Construction of Reinforced Concrete Walls.
DK51732C
(en )
1936-06-08
Procedure for Dyeing Asbestos-Cement Materials.
DK50412C
(en )
1935-07-08
Method for Manufacturing Water Resistant Cement.
DK53195C
(en )
1937-06-07
Wastewater Treatment Procedure.