DK25002C
(en )
1919-09-15
Cement bricks as well as Machine and Procedure for Manufacturing the same.
DK27434C
(en )
1921-04-11
Cement bricks as well as Machine and Procedure for Manufacturing the same.
CH86357A
(en )
1920-09-01
Stone dowels.
DK24173C
(en )
1919-03-03
Cement bricks.
DK26811C
(en )
1920-10-25
Method and Machine for Cementing Cement Products and the Like.
DK24719C
(en )
1919-07-07
Machine for Picking Works and the like.
DK30511C
(en )
1922-10-23
Procedure for the production of cement bricks, limestone or the like.
DK26381C
(en )
1920-08-02
Procedure for Forming Cement Products and the like.
DK26968C
(en )
1920-11-29
Double stone for the manufacture of walls.
DK26206C
(en )
1920-06-28
Machine for the manufacture of roof tiles.
DK26969C
(en )
1920-11-29
Building stone with cavity.
ES69839A1
(en )
1919-06-16
Improvements in the bricks.
DK29313C
(en )
1922-02-13
Machine for Casting Concrete Products and the like.
DK29760C
(en )
1922-06-19
The cement casing for Floors.
DK27354C
(en )
1921-03-29
Cement bricks.
DK29735C
(en )
1922-06-12
Cement bricks.
DK25235C
(en )
1919-11-24
Machine for finding shredders and the like.
DK28454C
(en )
1921-09-19
Cement Pipe Making Machine.
AT91389B
(en )
1923-02-26
Cement roof tile machine.
DK23725C
(en )
1918-11-18
Procedure for Manufacturing the Cement Holster and Machine for Utilizing the Same.
DK27023C
(en )
1920-12-20
Procedure for Manufacturing Gypsum Concrete.
DK25816C
(en )
1920-04-06
Apparatus for Cement Roofing Machines and the like.
DK31777C
(en )
1923-05-28
Cement Brick Making Machine.
DK28070C
(en )
1921-07-25
Method for Manufacturing Highly Porous Mortar Materials.
DK25945C
(en )
1920-05-10
Building stone.