GR740B
(en )
1924-10-22
METHOD OF PRODUCTION OF POTASSIUM FERTILIZERS IN THE MANUFACTURE OF CEMENT (PORTLAND).
SU10952A1
(en )
1929-09-30
The method of obtaining ortho-nitrobenzoic acid
ES88072A1
(en )
1924-03-16
Molten cement manufacturing process.
DK32459C
(en )
1923-11-05
Method of Making Cement.
GR607B
(en )
1924-04-22
METHOD OF MANUFACTURING FERTILIZER.
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
GR904B
(en )
1925-05-13
NEW METHOD OF PRODUCTION OF HIGH ENDURANCE CEMENT.
DK35704C
(en )
1926-03-01
Method of Manufacture of Fertilizers.
DK36090C
(en )
1926-06-07
Method of Manufacture of Fertilizers.
DK35526C
(en )
1926-01-25
Cement building stone.
DK38617C
(en )
1928-04-02
Method of Manufacture of Fertilizers.
DK35588C
(en )
1926-02-08
Method and Casting for the Production of Aerated Concrete.
DK37659C
(en )
1927-07-04
Method of Making Cement.
GR3942B
(en )
1932-12-15
CEMENT MANUFACTURING METHOD.
ES99310A2
(en )
1926-11-01
Superphosphate manufacturing process.
CA241528A
(en )
1924-07-15
Concrete pipe manufacture
CA239323A
(en )
1924-04-15
Concrete pipe manufacture
ES85028A1
(en )
1923-06-16
Counter-model used in the manufacture of the tiles.
CA231414A
(en )
1923-05-29
Plant for the manufacture of cement
IS30B6
(en )
1930-03-22
Method for producing hollow building materials
GR814B
(en )
1925-01-28
CEMENT STONE MANUFACTURING SYSTEM FOR THE RECONSTRUCTION OF T-SHEET BUILDINGS.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
DK35391C
(en )
1925-12-14
Melting Cement Manufacturing Plant.
CA239175A
(en )
1924-04-08
Concrete block making plants
CA255303A
(en )
1925-11-10
Method of manufacturing forms of cement