DK34080C
(en )
1925-02-02
Form box for the manufacture of bricks provided with cavities.
FR574763A
(en )
1924-07-18
Molded brick
FR565291A
(en )
1924-01-23
Brick
FR593055A
(en )
1925-08-17
Brick making
DK37374C
(en )
1927-04-19
Procedure for the production of iron castings with prelite structure.
DK33702C
(en )
1924-09-29
Casting for the manufacture of cement windows.
DK27863C
(en )
1921-06-20
Procedure for the production of gravure molds.
DK34823C
(en )
1925-08-03
Procedure for the manufacture of enamelled articles.
FR601207A
(en )
1926-02-25
Brick
FR576478A
(en )
1924-08-21
Hollow brick
DK29666C
(en )
1922-05-29
Procedure for the Production of Trinitroresorcin.
DK32999C
(en )
1924-03-24
Procedure for the manufacture of detonators.
ES76738A1
(en )
1921-03-01
Improvements in the manufacture of bricks.
ES82657A3
(en )
1923-02-16
A procedure for the manufacture of bricks.
DK33510C
(en )
1924-08-04
Procedure for the Production of Charcoal.
ES85341A1
(en )
1923-07-01
A procedure for the production of bricks.
DK35076C
(en )
1925-09-28
Procedure for the Preparation of Phosphatides.
DK35678C
(en )
1926-02-22
Procedure for Manufacturing Perleessens.
DK33649C
(en )
1924-09-08
Procedure for the production of decolorizing coal.
DK35075C
(en )
1925-09-28
Procedure for the manufacture of solid alcoholic soaps.
DK34327C
(en )
1925-03-30
Device for Use in the Production of Cement by Melting.
DK42909C
(en )
1930-09-08
Procedure for the production of clichés.
DK33414C
(en )
1924-07-07
Cement Brick Making Machine.
DK36105C
(en )
1926-06-14
Refractory Brick Construction.
DK41168C
(en )
1929-11-25
Procedure for the production of incandescent phosphates.