DK49815C
(en )
1935-01-28
Procedure for the Production of Dihydroresorcin.
DK55967C
(en )
1939-03-20
Procedure for the manufacture of cement or concrete articles.
DK54403C
(en )
1938-02-28
Procedure for the manufacture of shaped articles of asbestos cement.
DK49193C
(en )
1934-08-27
Procedure for Treatment of Cement Concrete.
FR759565A
(en )
1934-02-05
Cement
FI14093A
(en )
1932-01-22
Cement brick
DK52255C
(en )
1936-10-05
Method of Making Cement.
DK57871C
(en )
1940-08-05
Procedure for the production of lightweight concrete.
DK56338C
(en )
1939-06-19
Procedure for the manufacture of tiles.
DK50065C
(en )
1935-03-25
Procedure for the manufacture of building boards.
DK50777C
(en )
1935-10-14
Procedure for the manufacture of building boards.
DK50472C
(en )
1935-07-29
Procedure for the Construction of Reinforced Concrete Walls.
DK53457C
(en )
1937-08-16
Procedure for the manufacture of rubber articles.
DK51216C
(en )
1936-02-03
Procedure for the manufacture of explosives.
DK51415C
(en )
1936-03-16
Procedure for the manufacture of tempered articles.
DK54405C
(en )
1938-02-28
Procedure for the manufacture of refractory articles.
DK55077C
(en )
1938-08-08
Procedure for the manufacture of refractory articles.
DK49010C
(en )
1934-07-16
Process for the Preparation of Water-Soluble Alkylmercury Mercapto Compounds.
DK49432C
(en )
1934-10-22
Procedure and Apparatus for the manufacture of Portland cement and earthenware cement.
DK49146C
(en )
1934-08-20
Procedure for the manufacture of footwear.
DK51824C
(en )
1936-06-29
Procedure for the preparation of azo compounds.
DK47669C
(en )
1933-08-21
Procedure for Manufacturing Bricks.
DK48717C
(en )
1934-05-07
Procedure for the Preparation of Aminomethylheptene Derivatives.
FI14657A
(en )
1932-09-09
Sätt att framställa taktegel av cement
DK53049C
(en )
1937-05-10
Procedure for the manufacture of concentrated phytosterin products.