DK29197C
(en )
1922-01-23
Machine for the manufacture of pipes of cement and the like.
FR499064A
(en )
1920-01-30
Aerial mortar
DK22369C
(en )
1917-08-20
Stamping machine for the manufacture of cement pipes and the like.
CH75941A
(en )
1917-10-16
Facing brick
DK23983C
(en )
1919-01-20
Procedure for the production of cement and for the extraction of potassium salts.
DK22365C
(en )
1917-08-20
Cement roof making machine and the like.
DK22531C
(en )
1917-10-15
Cement roof making machine and the like.
DK27623C
(en )
1921-05-17
Procedure for Connecting Pipes.
DK21113C
(en )
1916-03-27
Procedure and Form for Manufacturing Cement Stone.
DK21368C
(en )
1916-07-24
Stamping machine for the production of cement pipes.
DK24073C
(en )
1919-02-10
Method for Manufacturing Water Hoses and the Like.
DK21136C
(en )
1916-04-03
Procedure for the manufacture of Portland cement.
DK21548C
(en )
1916-10-09
Cement roof making machine and the like.
DK19858C
(en )
1915-02-22
Explosives and Procedures for the Manufacture of the same.
DK26540C
(en )
1920-08-30
Procedure for the manufacture of wickerwork articles and the like.
DK21562C
(en )
1916-10-09
Bench for the manufacture of clogs.
CH75179A
(en )
1917-11-01
Ring
DK23725C
(en )
1918-11-18
Procedure for Manufacturing the Cement Holster and Machine for Utilizing the Same.
DK24661C
(en )
1919-06-23
Procedure for sulphatisation of ores and the like.
DK22474C
(en )
1917-09-24
Building stone.
DK26164C
(en )
1920-06-21
Building stone.
DK20957C
(en )
1916-01-31
Procedure for the manufacture of bricks, roofing sheets and the like.
DK17475C
(en )
1913-06-30
Form for Casting of Sewer Pipes and the like.
DK21422C
(en )
1916-08-07
Procedure for the production of chalk, putty and plaster.
DK23582C
(en )
1918-09-30
Forming and pressing machine for roofing sheets of cement cement and the like.