DK54165C
(en )
1938-01-10
Procedure for Treatment of calcareous cementitious materials.
DK49193C
(en )
1934-08-27
Procedure for Treatment of Cement Concrete.
DK51444C
(en )
1936-03-23
Method of Making Cement.
FR791323A
(en )
1935-12-07
Cement preparation process
DK51671C
(en )
1936-05-25
Procedure for Treatment of Textile Materials.
FR45149E
(en )
1935-06-13
Advanced concrete mixer
DK52007C
(en )
1936-08-10
Procedure for Surface Treatment of Asbestos-Cement Products.
DK55967C
(en )
1939-03-20
Procedure for the manufacture of cement or concrete articles.
DK54295C
(en )
1938-02-07
Method for surface treatment of iron structures.
DK57871C
(en )
1940-08-05
Procedure for the production of lightweight concrete.
DK49432C
(en )
1934-10-22
Procedure and Apparatus for the manufacture of Portland cement and earthenware cement.
DK55521C
(en )
1938-12-05
Process for the Preparation of Amino-m-Phenanthrolines.
DK53077C
(en )
1937-05-18
Process for the Preparation of Nitrogen-Halogen Compounds.
DK55496C
(en )
1938-11-28
Process for the Preparation of Substituted Amino-m-Phenanthrolines.
FR791301A
(en )
1935-12-07
Cement
FR759565A
(en )
1934-02-05
Cement
DK55873C
(en )
1939-02-27
Procedure for the Preparation of Pregneolones.
DK57311C
(en )
1940-02-26
Procedure for Treatment of Magnetic Materials.
FR794804A
(en )
1936-02-26
Lime brick
DK52361C
(en )
1936-11-30
Procedure for the preparation of azo compounds.
DK58582C
(en )
1941-04-15
Process for the Preparation of Androstandiols of the Formula C19H32O2.
DK54403C
(en )
1938-02-28
Procedure for the manufacture of shaped articles of asbestos cement.
CA341323A
(en )
1934-05-01
Concrete efflorescence preventing process
DK55947C
(en )
1939-03-20
Procedure for the Preparation of Organic Mercury Compounds.
DK53541C
(en )
1937-08-30
Wastewater Treatment Procedure.